{"id":312,"date":"2026-07-04T11:22:08","date_gmt":"2026-07-04T11:22:08","guid":{"rendered":"https:\/\/gokoreastudy.com\/?post_type=visa-guides&#038;p=312"},"modified":"2026-07-04T11:45:21","modified_gmt":"2026-07-04T11:45:21","slug":"d-3","status":"publish","type":"visa-guides","link":"https:\/\/gokoreastudy.com\/ko\/visa-guides\/d-3\/","title":{"rendered":"D-3 Technical Training \/ Industrial Trainee Visa"},"content":{"rendered":"\n<!-- visa-guides:d-3 \u2014 generated by build-visa-html.mjs v2 (visa-guides.csv). \uc218\uc815\uc740 CSV\uc5d0\uc11c. -->\n<style>body.single-visa-guides .entry-header, body.single-visa-guides .entry-meta, body.single-visa-guides .ast-single-entry-banner, body.single-visa-guides [class*=\"ast-single-post-banner\"], body.single-visa-guides .post-navigation, body.single-visa-guides .ast-single-post-navigation-wrapper{ display:none !important; } body.single-visa-guides #content, body.single-visa-guides #primary, body.single-visa-guides .site-content, body.single-visa-guides .site-content > .ast-container, body.single-visa-guides .content-area, body.single-visa-guides .site-main, body.single-visa-guides .ast-article-single, body.single-visa-guides .entry-content{ padding:0 !important; margin:0 !important; max-width:100% !important; } body.single-visa-guides .ast-article-single{ background:transparent !important; border:none !important; box-shadow:none !important; } body.single-visa-guides .entry-content > p:empty{ display:none; } @import url(\"https:\/\/cdn.jsdelivr.net\/gh\/orioncactus\/pretendard@v1.3.9\/dist\/web\/variable\/pretendardvariable-dynamic-subset.min.css\"); .gk2{ --navy:#1D2A44; --navy-h:#2A3B5C; --red:#C60C30; --red-h:#A80A28; --base:#F8FAFC; --card:#FFFFFF; --border:#E2E8F0; --muted:#64748B; --tint:#EEF2F8; --on-brand-muted:#AEB8C9; --page:#DCE3EB; --r:16px; --r-lg:24px; --maxw:1120px; --shadow:0 1px 2px rgba(16,28,51,.04), 0 12px 28px -12px rgba(16,28,51,.18); --shadow-lg:0 24px 60px -20px rgba(16,28,51,.35); background:var(--page); color:var(--navy); line-height:1.6; font-family:\"Pretendard Variable\",Pretendard,-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,\"Noto Sans KR\",sans-serif; padding:18px; -webkit-font-smoothing:antialiased; width:auto; margin-left:calc(50% - 50vw); margin-right:calc(50% - 50vw); overflow-x:clip; } .gk2 *{ box-sizing:border-box; } .gk2 img{ display:block; max-width:100%; } .gk2 a{ color:inherit; text-decoration:none; } .gk2 h1, .gk2 h2, .gk2 h3{ line-height:1.2; margin:0; letter-spacing:-.02em; } .gk2 p{ margin:0; } .gk2-surface{ background:#fff; border-radius:28px; box-shadow:var(--shadow-lg); overflow:hidden; max-width:1200px; margin:0 auto; } .gk2 .seal{ display:inline-flex; align-items:center; justify-content:center; width:30px; height:30px; border-radius:8px; background:var(--red); color:#fff; font-weight:800; font-size:13px; box-shadow:inset 0 0 0 2px rgba(255,255,255,.35); transform:rotate(-4deg); flex:none; } .gk2 .eyebrow{ display:inline-flex; align-items:center; gap:9px; font-size:.78rem; font-weight:800; letter-spacing:.14em; text-transform:uppercase; color:var(--red); margin-bottom:16px; } .gk2 .eyebrow .seal{ width:22px; height:22px; font-size:10px; border-radius:6px; } .gk2 .btn{ display:inline-flex; align-items:center; gap:8px; font-weight:700; border-radius:999px; padding:11px 20px; cursor:pointer; border:1px solid transparent; transition:transform .12s, background .15s, box-shadow .15s; font-size:.95rem; } .gk2 .btn:hover{ transform:translateY(-1px); } .gk2 .btn--red{ background:var(--red); color:#fff; } .gk2 .btn--red:hover{ background:var(--red-h); } .gk2 .btn--navy{ background:var(--navy); color:#fff; } .gk2 .btn--navy:hover{ background:var(--navy-h); } .gk2 .btn--ghost{ background:rgba(255,255,255,.12); color:#fff; border-color:rgba(255,255,255,.45); } .gk2 .btn--ghost:hover{ background:rgba(255,255,255,.2); } .gk2 .btn--white{ background:#fff; color:var(--navy); } .gk2 .btn--white:hover{ box-shadow:var(--shadow); } .gk2 .btn--outline{ background:#fff; color:var(--navy); border-color:var(--border); } .gk2 .btn--outline:hover{ border-color:var(--navy); } .gk2 .hero{ padding:18px; } .gk2 .hero__frame{ position:relative; border-radius:var(--r-lg); overflow:hidden; min-height:460px; display:flex; } .gk2 .hero__img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; background:var(--navy); } .gk2 .hero__frame::after{ content:\"\"; position:absolute; inset:0; background:linear-gradient(105deg, rgba(13,21,40,.82) 0%, rgba(13,21,40,.45) 42%, rgba(13,21,40,.12) 70%, rgba(13,21,40,.05) 100%); } .gk2 .hero__glyph{ position:absolute; right:2%; bottom:-8%; font-size:min(34vw,420px); font-weight:900; line-height:.8; color:transparent; -webkit-text-stroke:2px rgba(255,255,255,.22); text-stroke:2px rgba(255,255,255,.22); pointer-events:none; z-index:1; user-select:none; } .gk2 .hero__content{ position:relative; z-index:2; align-self:center; padding:48px 8% 48px 7%; max-width:660px; color:#fff; } .gk2 .hero__kicker{ display:inline-flex; align-items:center; gap:9px; font-weight:700; font-size:.82rem; letter-spacing:.12em; text-transform:uppercase; color:#fff; background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.25); padding:7px 14px; border-radius:999px; margin-bottom:20px; } .gk2 .hero h1{ font-size:clamp(2.4rem,5.2vw,4rem); font-weight:900; color:#fff; letter-spacing:-.03em; } .gk2 .hero h1 .accent{ position:relative; white-space:nowrap; } .gk2 .hero h1 .accent::after{ content:\"\"; position:absolute; left:0; right:0; bottom:.08em; height:.16em; background:var(--red); border-radius:3px; z-index:-1; } .gk2 .hero__sub{ margin:18px 0 28px; font-size:1.12rem; color:#E6EAF2; max-width:30em; } .gk2 .hero__cta{ display:flex; gap:12px; flex-wrap:wrap; } .gk2 .hero__trust{ margin-top:22px; font-size:.86rem; color:var(--on-brand-muted); display:flex; align-items:center; gap:8px; } .gk2 .subhero{ padding:18px; } .gk2 .subhero__frame{ position:relative; border-radius:var(--r-lg); overflow:hidden; min-height:330px; display:flex; align-items:center; justify-content:center; text-align:center; } .gk2 .subhero__img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; background:var(--navy); } .gk2 .subhero__frame::after{ content:\"\"; position:absolute; inset:0; background:linear-gradient(180deg, rgba(13,21,40,.55), rgba(13,21,40,.78)); } .gk2 .subhero__in{ position:relative; z-index:2; color:#fff; max-width:880px; padding:46px 28px; } .gk2 .subhero h1{ font-size:clamp(1.65rem,3vw,2.4rem); line-height:1.22; font-weight:900; color:#fff; letter-spacing:-.03em; } .gk2 .subhero__sub{ color:#E6EAF2; margin-top:14px; font-size:1.08rem; } .gk2 .subhero__cta{ margin-top:24px; display:flex; gap:12px; justify-content:center; flex-wrap:wrap; } .gk2 .subhero .eyebrow{ color:#fff; justify-content:center; } .gk2 .section{ padding:56px clamp(20px,5vw,64px); } .gk2 .section--tight{ padding-top:0; } .gk2 .prose{ max-width:760px; margin:0 auto; } .gk2 .prose h2{ font-size:clamp(1.4rem,2.4vw,1.8rem); margin:1.4em 0 .4em; } .gk2 .prose h2:first-child{ margin-top:0; } .gk2 .prose h3{ font-size:1.12rem; margin:1.2em 0 .3em; } .gk2 .prose p{ color:var(--navy); margin-bottom:1em; } .gk2 .prose ul{ padding-left:1.2em; margin:0 0 1em; } .gk2 .prose li{ margin:.35em 0; color:var(--navy); } .gk2 .lead{ font-size:1.08rem; color:var(--muted); } .gk2 .center{ text-align:center; } .gk2 .sec-head{ text-align:center; max-width:640px; margin:0 auto 32px; } .gk2 .sec-head h2{ font-size:clamp(1.5rem,2.8vw,2.1rem); } .gk2 .sec-head p{ color:var(--muted); margin-top:10px; } .gk2 .note{ background:#fff; border:1px solid var(--border); border-left:4px solid var(--red); border-radius:10px; padding:16px 20px; margin:0 auto 28px; max-width:760px; font-size:.96rem; } .gk2 .cardgrid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; max-width:980px; margin:0 auto; } .gk2 .cardgrid--2{ grid-template-columns:repeat(2,1fr); } .gk2 .cardgrid--4{ grid-template-columns:repeat(4,1fr); } .gk2 .infocard{ background:#fff; border:1px solid var(--border); border-radius:var(--r); padding:24px; transition:transform .15s, box-shadow .15s; } .gk2 .infocard:hover{ transform:translateY(-3px); box-shadow:var(--shadow); } .gk2 .infocard h3{ font-size:1.08rem; margin-bottom:7px; } .gk2 .infocard p{ color:var(--muted); font-size:.92rem; } .gk2 .infocard a.link{ color:var(--red); font-weight:700; font-size:.92rem; display:inline-block; margin-top:12px; } .gk2 .infocard .soon{ display:inline-block; margin-top:12px; font-size:.82rem; font-weight:700; color:var(--muted); background:var(--tint); padding:3px 10px; border-radius:999px; } .gk2 .infocard__ic{ width:42px; height:42px; border-radius:12px; background:var(--navy); color:#fff; display:flex; align-items:center; justify-content:center; margin-bottom:14px; } .gk2 .infocard__ic svg{ width:21px; height:21px; } .gk2 .why{ display:grid; grid-template-columns:1.05fr .95fr; gap:48px; padding:64px clamp(20px,6vw,8%) 56px; align-items:center; } .gk2 .why h2{ font-size:clamp(1.5rem,2.6vw,2rem); } .gk2 .why p.lead{ margin:16px 0 22px; } .gk2 .socials{ display:flex; gap:10px; } .gk2 .socials a{ width:40px; height:40px; border-radius:50%; background:var(--tint); display:flex; align-items:center; justify-content:center; color:var(--navy); transition:background .15s,color .15s; } .gk2 .socials a:hover{ background:var(--navy); color:#fff; } .gk2 .featstack{ display:grid; gap:14px; } .gk2 .feat{ display:flex; gap:16px; padding:18px 20px; background:var(--tint); border:1px solid var(--border); border-radius:var(--r); transition:transform .15s, box-shadow .15s; } .gk2 .feat:hover{ transform:translateY(-2px); box-shadow:var(--shadow); } .gk2 .feat__ic{ width:44px; height:44px; flex:none; border-radius:12px; background:var(--navy); color:#fff; display:flex; align-items:center; justify-content:center; } .gk2 .feat__ic svg{ width:22px; height:22px; } .gk2 .feat h3{ font-size:1.02rem; margin-bottom:4px; } .gk2 .feat p{ font-size:.9rem; color:var(--muted); } .gk2 .stats{ display:flex; justify-content:center; gap:64px; flex-wrap:wrap; padding:8px 8% 56px; } .gk2 .stat{ text-align:center; } .gk2 .stat__ic{ width:52px; height:52px; margin:0 auto 12px; border-radius:50%; background:#fff; border:1px solid var(--border); display:flex; align-items:center; justify-content:center; color:var(--red); box-shadow:var(--shadow); } .gk2 .stat__ic svg{ width:24px; height:24px; } .gk2 .stat b{ font-size:1.7rem; font-weight:900; display:block; letter-spacing:-.02em; } .gk2 .stat span{ font-size:.85rem; color:var(--muted); } .gk2 .panel{ margin:0 18px 18px; background:var(--tint); border-radius:var(--r-lg); padding:40px clamp(20px,4vw,44px); } .gk2 .panel__head{ display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom:26px; } .gk2 .panel__head h2{ font-size:clamp(1.5rem,2.6vw,2rem); } .gk2 .panel__head p{ color:var(--muted); max-width:34em; margin-top:8px; font-size:.98rem; } .gk2 .uni-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; } .gk2 .uni{ position:relative; border-radius:var(--r); overflow:hidden; min-height:300px; display:flex; align-items:flex-end; color:#fff; box-shadow:var(--shadow); transition:transform .18s, box-shadow .18s; } .gk2 .uni:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lg); } .gk2 .uni img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; background:var(--navy); z-index:0; } .gk2 .uni::after{ content:\"\"; position:absolute; inset:0; background:linear-gradient(to top, rgba(13,21,40,.92) 6%, rgba(13,21,40,.4) 46%, rgba(13,21,40,.05) 78%); z-index:1; } .gk2 .uni__body{ position:relative; z-index:2; padding:16px; width:100%; } .gk2 .uni__badge{ position:absolute; top:14px; left:14px; z-index:2; background:rgba(255,255,255,.92); color:var(--navy); font-weight:800; font-size:.74rem; padding:5px 10px; border-radius:999px; box-shadow:var(--shadow); } .gk2 .uni h3{ font-size:1.04rem; color:#fff; } .gk2 .uni__loc{ font-size:.82rem; color:#E6EAF2; margin-top:3px; } .gk2 .uni__tags{ display:flex; gap:6px; flex-wrap:wrap; margin-top:11px; } .gk2 .tag{ font-size:.7rem; font-weight:700; padding:4px 9px; border-radius:999px; background:rgba(255,255,255,.16); border:1px solid rgba(255,255,255,.28); } .gk2 .tag--red{ background:var(--red); border-color:var(--red); } .gk2 .panel__foot{ display:flex; align-items:center; justify-content:space-between; margin-top:24px; } .gk2 .carousel-nav{ display:flex; gap:10px; } .gk2 .carousel-nav button{ width:42px; height:42px; border-radius:50%; border:1px solid var(--border); background:#fff; color:var(--navy); cursor:pointer; font-size:1.1rem; transition:background .15s,color .15s; } .gk2 .carousel-nav button:hover{ background:var(--navy); color:#fff; } .gk2 .guides{ display:grid; grid-template-columns:1.15fr 1fr 1fr; gap:18px; padding:8px 18px 56px; } .gk2 .gcard{ border-radius:var(--r-lg); overflow:hidden; min-height:300px; display:flex; } .gk2 .gcard--navy{ background:var(--navy); color:#fff; flex-direction:column; justify-content:space-between; padding:30px; } .gk2 .gcard--navy h2{ color:#fff; font-size:1.5rem; } .gk2 .gcard--navy p{ color:var(--on-brand-muted); margin:12px 0 0; font-size:.96rem; } .gk2 .gcard--img{ position:relative; align-items:flex-end; color:#fff; box-shadow:var(--shadow); transition:transform .18s; } .gk2 .gcard--img:hover{ transform:translateY(-4px); } .gk2 .gcard--img img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; background:var(--navy); z-index:0; } .gk2 .gcard--img::after{ content:\"\"; position:absolute; inset:0; background:linear-gradient(to top, rgba(13,21,40,.92), rgba(13,21,40,.2) 60%, rgba(13,21,40,0)); z-index:1; } .gk2 .gcard__body{ position:relative; z-index:2; padding:22px; } .gk2 .gcard__ic{ position:absolute; top:16px; left:16px; z-index:2; width:40px; height:40px; border-radius:50%; background:rgba(255,255,255,.92); color:var(--red); display:flex; align-items:center; justify-content:center; } .gk2 .gcard__ic svg{ width:20px; height:20px; } .gk2 .gcard--img h3{ color:#fff; font-size:1.12rem; } .gk2 .gcard--img p{ color:#E6EAF2; font-size:.88rem; margin-top:6px; } .gk2 .steps{ padding:8px 8% 60px; text-align:center; } .gk2 .steps h2{ font-size:clamp(1.5rem,2.6vw,2rem); margin-bottom:8px; } .gk2 .steps>p{ color:var(--muted); margin-bottom:36px; } .gk2 .steprow{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; } .gk2 .step{ text-align:left; padding:26px 24px; background:#fff; border:1px solid var(--border); border-radius:var(--r); } .gk2 .step__n{ font-size:2.4rem; font-weight:900; color:var(--tint); line-height:1; letter-spacing:-.04em; } .gk2 .step__n b{ color:var(--red); } .gk2 .step h3{ font-size:1.1rem; margin:6px 0 8px; } .gk2 .step p{ color:var(--muted); font-size:.92rem; } .gk2 .ctaband{ margin:0 18px 18px; border-radius:var(--r-lg); background:var(--red); color:#fff; padding:54px 8%; text-align:center; position:relative; overflow:hidden; } .gk2 .ctaband::before{ content:\"\u5370\"; position:absolute; right:4%; top:50%; transform:translateY(-50%) rotate(-6deg); font-size:13rem; font-weight:900; color:rgba(255,255,255,.08); pointer-events:none; } .gk2 .ctaband h2{ color:#fff; font-size:clamp(1.5rem,3vw,2.1rem); position:relative; } .gk2 .ctaband p{ color:rgba(255,255,255,.9); margin:14px auto 26px; max-width:34em; position:relative; } .gk2 .ctaband .btn{ position:relative; } .gk2 .formslot{ max-width:520px; margin:0 auto; } @media (max-width:980px){ .gk2 .why{ grid-template-columns:1fr; gap:32px; } .gk2 .uni-grid, .gk2 .cardgrid--4{ grid-template-columns:repeat(2,1fr); } .gk2 .guides{ grid-template-columns:1fr; } .gk2 .steprow, .gk2 .cardgrid{ grid-template-columns:1fr; } .gk2 .cardgrid--2{ grid-template-columns:1fr; } } @media (max-width:760px){ .gk2 .hero__content{ padding:36px 28px; } .gk2 .stats{ gap:36px; } .gk2 .uni-grid, .gk2 .cardgrid--4{ grid-template-columns:1fr; } } @media (prefers-reduced-motion:reduce){ .gk2 *{ transition:none !important; animation:none !important; } } .gk2 .subhero__frame--grad{ background: radial-gradient(1100px 480px at 88% 118%, rgba(198,12,48,.55), transparent 62%), linear-gradient(118deg, #141F36 0%, var(--navy) 52%, #35213A 100%); } .gk2 .subhero__frame--grad::after{ content:none; } .gk2 .subhero__frame--grad .hero__glyph{ right:-2%; bottom:-14%; font-size:min(30vw,340px); } .gk2 .vcode{ display:inline-flex; align-items:center; gap:12px; margin-bottom:14px; } .gk2 .vcode b{ font-size:clamp(2.6rem,6vw,3.6rem); font-weight:900; letter-spacing:-.02em; color:#fff; line-height:1; } .gk2 .vtags{ display:flex; gap:6px; flex-wrap:wrap; justify-content:center; margin-top:18px; } .gk2 .vtags .tag{ font-size:.7rem; padding:4px 11px; } .gk2 .vmeta{ margin-top:20px; font-size:.8rem; color:var(--on-brand-muted); } .gk2 .srcline{ text-align:center; font-size:.88rem; color:var(--muted); margin:-14px auto 28px; max-width:760px; } .gk2 .srcline a{ color:var(--red); font-weight:700; text-decoration:underline; text-underline-offset:2px; } .gk2 .infocard__k{ font-size:.72rem; font-weight:800; letter-spacing:.12em; text-transform:uppercase; color:var(--red); margin-bottom:8px; } .gk2 .infocard .big{ color:var(--navy); font-size:1.02rem; font-weight:700; margin-bottom:6px; } .gk2 .steprow--4{ grid-template-columns:repeat(4,1fr); max-width:980px; margin:0 auto; } .gk2 .step--dim{ opacity:.45; } .gk2 .checklist{ list-style:none; padding:0; margin:14px 0 0; display:grid; gap:10px; } .gk2 .checklist li{ display:flex; gap:11px; align-items:flex-start; color:var(--navy); font-size:.97rem; } .gk2 .checklist .ck{ flex:none; width:22px; height:22px; border-radius:50%; background:var(--tint); color:var(--red); font-weight:900; font-size:.78rem; display:flex; align-items:center; justify-content:center; margin-top:2px; } .gk2 .howto{ list-style:none; counter-reset:hw; padding:0; margin:14px 0 0; display:grid; gap:12px; } .gk2 .howto li{ counter-increment:hw; position:relative; background:#fff; border:1px solid var(--border); border-radius:var(--r); padding:16px 18px 16px 58px; color:var(--navy); font-size:.96rem; } .gk2 .howto li::before{ content:counter(hw); position:absolute; left:16px; top:14px; width:28px; height:28px; border-radius:50%; background:var(--navy); color:#fff; font-weight:800; font-size:.85rem; display:flex; align-items:center; justify-content:center; } .gk2 .howto li > strong{ display:block; margin-bottom:6px; color:var(--navy); } .gk2 .howto .checklist{ margin-top:8px; } .gk2 .howto .checklist li{ padding:0; border:none; background:none; font-size:.92rem; } .gk2 .howto .tick{ margin:8px 0 0; padding-left:0; } .gk2 .howto .tick li{ font-size:.92rem; margin:.3em 0; } .gk2 .vspec{ max-width:760px; margin:0 auto; background:#fff; border:1px solid var(--border); border-radius:var(--r); overflow:hidden; } .gk2 .vrow{ display:grid; grid-template-columns:190px 1fr; gap:16px; padding:16px 20px; border-bottom:1px solid var(--border); } .gk2 .vrow:last-child{ border-bottom:0; } .gk2 .vrow__k{ font-size:.72rem; font-weight:800; letter-spacing:.1em; text-transform:uppercase; color:var(--red); padding-top:3px; } .gk2 .vrow__v{ color:var(--navy); font-size:.94rem; } .gk2 .vrow__v p{ margin:0 0 .55em; } .gk2 .vrow__v p:last-child{ margin-bottom:0; } .gk2 .vpath{ display:flex; flex-direction:column; gap:12px; margin:14px 0 0; } .gk2 .vpath__line{ display:flex; align-items:center; gap:8px; 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padding-left:22px; } .gk2 .prose ul.tick li::before{ content:\"\"; position:absolute; left:4px; top:.58em; width:7px; height:7px; border-radius:2px; background:var(--red); } @media (max-width:980px){ .gk2 .steprow--4{ grid-template-columns:repeat(2,1fr); } } @media (max-width:640px){ .gk2 .steprow--4{ grid-template-columns:1fr; } .gk2 .vrow{ grid-template-columns:1fr; gap:6px; } }<\/style>\n<div class=\"gk2\">\n  <div class=\"gk2-surface\">\n\n    <section class=\"subhero\">\n      <div class=\"subhero__frame subhero__frame--grad\">\n        <span class=\"hero__glyph\" aria-hidden=\"true\">D-3<\/span>\n        <div class=\"subhero__in\">\n          <span class=\"eyebrow\"><span class=\"seal\">\u5370<\/span> Visa Guides<\/span>\n          <div class=\"vcode\"><b>D-3<\/b><\/div>\n          <h1>Technical Training \/ Industrial Trainee Visa<\/h1>\n          <p class=\"subhero__sub\">\uae30\uc220\uc5f0\uc218 &mdash; Short\/medium-term technical training (non-employment) residence status<\/p>\n          <div class=\"vtags\">\n            <span class=\"tag tag--red\">&#9679; Active<\/span>\n            <span class=\"tag\">Category D<\/span>\n          <\/div>\n          <p class=\"vmeta\">Last updated 2026-07-04 \u00b7 Official Korean government sources<\/p>\n        <\/div>\n      <\/div>\n    <\/section>\n\n    <section class=\"section\">\n      <div class=\"note\"><strong>Note:<\/strong> This is general information, not legal advice. Rules change &mdash; always confirm on the official sources for your country.<\/div>\n      <div class=\"sec-head\"><h2>At a glance<\/h2><\/div>\n      <div class=\"cardgrid\"><div class=\"infocard\"><div class=\"infocard__k\">Who it&#39;s for<\/div><p>Foreign nationals who come to Korea to receive industrial\/technical training (not general employment) at a Korean industrial company that qualifies as a\u2026<\/p><\/div>\n        <div class=\"infocard\"><div class=\"infocard__k\">Length of stay<\/div><p>Up to 2 years maximum period of stay per grant under the Immigration Act Enforcement Rules (\uc2dc\ud589\uaddc\uce59 \ubcc4\ud45c1 \u2014 verify current figure on hikorea.go.kr).<\/p><\/div>\n        <div class=\"infocard\"><div class=\"infocard__k\">Can you work?<\/div><p>No general employment is permitted. D-3 is a training status, not a work status \u2014 holders may only carry out the approved technical\/industrial training.<\/p><\/div>\n        <div class=\"infocard\"><div class=\"infocard__k\">Korean needed?<\/div><p>No universal statutory Korean-language threshold is fixed for all D-3. Some invitation guidance for D-3-1 has referenced a Korean-ability expectation (e.g.<\/p><\/div>\n        <div class=\"infocard\"><div class=\"infocard__k\">Fee &amp; time<\/div><p>Fee: Overseas single-entry visa issuance and the Certificate of Visa Issuance (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c) carry the standard immigration fees; extension of stay (\uccb4\ub958\uae30\uac04 \uc5f0\uc7a5) is 60,000 KRW. Exact D-3 issuance and certificate fees should be confirmed on hikorea.go.kr. (unverified for the exact D-3 figures)<\/p><\/div><\/div>\n    <\/section>\n\n<section class=\"section section--tight\"><div class=\"prose\"><h2>Who can apply<\/h2><ul class=\"checklist\"><li><span class=\"ck\">\u2713<\/span><span>Foreign nationals who come to Korea to receive industrial\/technical training (not general employment) at a Korean industrial company that qualifies as a training-invitation host.<\/span><\/li><li><span class=\"ck\">\u2713<\/span><span>Under the Immigration Act Enforcement Decree (\ubcc4\ud45c1), the host must be one of: a company that has made a direct overseas investment under the Foreign Exchange Transactions Act; a company that exports technology recognized by the Minister of Justice as requiring technical training; or a company that exports industrial plants overseas.<\/span><\/li><li><span class=\"ck\">\u2713<\/span><span>The main sub-code is D-3-1 (\ud574\uc678\ud22c\uc790\uae30\uc5c5 \uae30\uc220\uc5f0\uc218 \/ overseas-invested enterprise technical training).<\/span><\/li><li><span class=\"ck\">\u2713<\/span><span>Per the official invitation guidance, individual trainees under D-3-1 must generally be 18-40 years old and in good health, have at least about 3 months of work experience at the overseas local company (with exceptions for essential\/key personnel), and if they previously stayed as a trainee they must have been outside Korea for at least 1 year.<\/span><\/li><li><span class=\"ck\">\u2713<\/span><span>Applicants who have a criminal record in Korea or abroad, who received a deportation order from Korea, who overstayed illegally for 6+ months, or who are suspected of intending illegal employment cannot be invited.<\/span><\/li><\/ul><\/div><\/section>\n<section class=\"section section--tight\"><div class=\"prose\"><h2>Documents you&#39;ll need<\/h2><ul class=\"tick\"><li>Passport<\/li><li>visa application form with photo<\/li><li>certificate of visa issuance confirmation (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c) obtained by the inviting Korean company<\/li><li>documents proving the host company qualifies (e.g. foreign direct investment report \/ evidence of overseas investment, technology-export or plant-export contracts)<\/li><li>training plan and training agreement\/contract<\/li><li>proof of the trainee&#8217;s work experience at the overseas local company<\/li><li>and documents on the training allowance\/insurance and departure guarantee. (A complete official document checklist per sub-code should be confirmed on hikorea.go.kr and with the competent immigration office \u2014 unverified for a full itemized list.)<\/li><\/ul><\/div><\/section>\n<section class=\"section section--tight\"><div class=\"prose\"><h2>How to apply<\/h2><ul class=\"tick\"><li>Overseas embassy visa via a Certificate of Visa Issuance (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c) obtained by the inviting\/sponsoring Korean company or Korean-invested overseas enterprise; industrial technical-trainee program.<\/li><li>D-3 is applied for through the Certificate of Visa Issuance Confirmation (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c) route: the inviting Korean company applies at the competent immigration office in Korea, and once approved the certificate is sent to the trainee to apply for the actual visa at a Korean embassy\/consulate abroad.<\/li><li>D-3 industrial training (\uc0b0\uc5c5\uc5f0\uc218) is one of the statuses that generally require a direct visit to an immigration office and cannot be fully processed through the HiKorea online e-civil-petition system.<\/li><li>A single invitation is limited to a maximum of 30 trainees per company; more requires a justification letter and supporting documents.<\/li><li>Companies with a history of illegal stay among prior trainees, or with trainees already present in Korea, may be excluded.<\/li><li>Trainees staying 91+ days must complete foreigner (alien) registration within 90 days of entry.<\/li><\/ul><\/div><\/section>\n\n    <section class=\"section section--tight\">\n      <div class=\"sec-head\"><h2>Stay &amp; extension<\/h2><\/div>\n      <div class=\"cardgrid cardgrid--2\" style=\"max-width:760px\"><div class=\"infocard\"><div class=\"infocard__k\">How long you can stay<\/div><p>Up to 2 years maximum period of stay per grant under the Immigration Act Enforcement Rules (\uc2dc\ud589\uaddc\uce59 \ubcc4\ud45c1 \u2014 verify current figure on hikorea.go.kr). In practice the visa\/certificate is often issued for a shorter initial period (commonly up to 6 months) matching the approved training plan and then extended.<\/p><p>(Initial-grant length is program-dependent \u2014 unverified.)<\/p><\/div>\n<div class=\"infocard\"><div class=\"infocard__k\">Extending your stay<\/div><p>Extensions of stay (\uccb4\ub958\uae30\uac04 \uc5f0\uc7a5) are applied for at the competent immigration office before expiry, based on the ongoing training plan, continued qualification of the inviting company, and the trainee&#8217;s compliance, within the overall statutory maximum for the D-3 status. Exact extension caps and required documents should be confirmed on hikorea.go.kr.<\/p><p>(unverified for specifics)<\/p><\/div><\/div>\n    <\/section>\n\n    <section class=\"section section--tight\"><div class=\"prose\"><h2>Working on this visa<\/h2><ul class=\"tick\"><li>No general employment is permitted.<\/li><li>D-3 is a training status, not a work status \u2014 holders may only carry out the approved technical\/industrial training.<\/li><li>Instead of wages they receive a training allowance (\uc5f0\uc218\uc218\ub2f9) \/ living support paid by the inviting company under the applicable training-management rules; this is not general paid employment and working outside the approved training is prohibited.<\/li><li>(Exact allowance amounts are set by the host\/program and are not fixed by a single public figure \u2014 unverified.)<\/li><\/ul><\/div><\/section>\n\n    <section class=\"section section--tight\">\n      <div class=\"sec-head\"><h2>Requirements in detail<\/h2><\/div>\n      <div class=\"vspec\"><div class=\"vrow\"><div class=\"vrow__k\">Korean language<\/div><div class=\"vrow__v\"><p>No universal statutory Korean-language threshold is fixed for all D-3. Some invitation guidance for D-3-1 has referenced a Korean-ability expectation (e.g.<\/p><p>TOPIK Level 2 or an equivalent completed course) for certain trainees, but this appears program\/period-dependent and should be confirmed against the current official invitation notice. (unverified)<\/p><\/div><\/div>\n<div class=\"vrow\"><div class=\"vrow__k\">Money to show<\/div><div class=\"vrow__v\"><p>No personal financial-proof threshold; the sponsoring company provides the training and a training allowance.<\/p><\/div><\/div><\/div>\n    <\/section>\n\n    <section class=\"section section--tight\">\n      <div class=\"sec-head\"><h2>Sub-types<\/h2><\/div>\n      <div class=\"prose\"><p>D-3-1 = industrial\/technical trainee dispatched via a Korean-invested overseas enterprise or trade partner (\ud574\uc678\ud22c\uc790(\ud604\uc9c0\ubc95\uc778) \uae30\uc5c5\uccb4 \ub4f1 \uae30\uc220\uc5f0\uc218); single technical-training track with no student-style sub-codes. Specific numeric sub-codes beyond D-3-1 (unverified).<\/p><p>Distinct from D-4 general training.<\/p><\/div>\n      \n    <\/section>\n<section class=\"section section--tight\"><div class=\"cardgrid cardgrid--2\" style=\"max-width:760px\"><div class=\"infocard\"><div class=\"infocard__k\">Family<\/div><p>Not permitted \u2014 technical trainees (D-3) are excluded from F-3(\ub3d9\ubc18) family accompaniment; dependents cannot obtain F-3 based on a D-3 sponsor.<\/p><\/div>\n<div class=\"infocard\"><div class=\"infocard__k\">Mobile ARC<\/div><p>A D-3 trainee who completes foreigner registration (\uc678\uad6d\uc778\ub4f1\ub85d) and holds an ARC may issue a mobile ARC (\ubaa8\ubc14\uc77c \uc678\uad6d\uc778\ub4f1\ub85d\uc99d) via HiKorea (available since 2025); same legal effect as the physical card.<\/p><\/div><\/div><\/section>\n<section class=\"section section--tight\"><div class=\"prose\"><h2>2025&ndash;2026 policy updates<\/h2><ul class=\"tick\"><li>No confirmed 2025-2026 amendment specific to the D-3 status was located in official sources during this research.<\/li><li>The D-3-1 (overseas-invested enterprise technical training) program continues to be governed by a Ministry of Justice management rule\/directive (referenced as established-rule\/directive (\uc608\uaddc\/\ud6c8\ub839) No. 1414, revised 2022.04.14).<\/li><li>Re-verify current requirements, stay caps, and fees on hikorea.go.kr \/ immigration.go.kr before relying on them.<\/li><li>(No dated 2025-2026 official notice found.)<\/li><\/ul><\/div><\/section>\n<section class=\"section section--tight\"><div class=\"prose\"><h2>Common mistakes<\/h2><ul class=\"tick\"><li>Treating D-3 as a work visa \u2014 it is training-only and pays a training allowance, not employment wages.<\/li><li>Assuming the trainee applies directly abroad \u2014 the inviting Korean company must first obtain the Certificate of Visa Issuance (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c) in Korea.<\/li><li>Exceeding the 30-trainee-per-invitation limit without justification.<\/li><li>Confusing D-3 (technical training, \uae30\uc220\uc5f0\uc218 \u2014 non-employment training) with E-9 (non-professional employment, \ube44\uc804\ubb38\ucde8\uc5c5 \u2014 actual employment) or D-4 (general training, \uc77c\ubc18\uc5f0\uc218 \u2014 general\/language training).<\/li><li>Inviting an applicant who overstayed 6+ months previously or already has 2+ prior Korean training records.<\/li><\/ul>\n<p style=\"margin-top:20px\"><a class=\"btn btn--red\" href=\"https:\/\/www.hikorea.go.kr\/info\/InfoDatail.pt?CAT_SEQ=187&amp;PARENT_ID=142\" target=\"_blank\" rel=\"noopener\">Official source &#8599;<\/a>\n        &nbsp;<a class=\"btn btn--outline\" href=\"https:\/\/www.immigration.go.kr\/bbs\/immigration_eng\/230\/454086\/download.do\" target=\"_blank\" rel=\"noopener\">Official manual &#8599;<\/a><\/p><\/div><div class=\"note\" style=\"margin-top:20px\"><strong>If you break the rules:<\/strong> Working or engaging in activity outside the approved training scope, or overstay, leads to penalty fines (\ubc94\uce59\uae08), a departure order (\ucd9c\uad6d\uba85\ub839), or forced deportation (\uac15\uc81c\ud1f4\uac70) and a re-entry ban; the sponsoring body may also be sanctioned.<\/div><\/section>\n\n    <section class=\"ctaband\">\n      <h2>Get visa updates by email<\/h2>\n      <p>Join GoKorea Insider for clear updates on visas and key dates.<\/p>\n      <a class=\"btn btn--white\" href=\"\/gokorea-insider\/\">Join Insider &mdash; Free<\/a>\n    <\/section>\n  <\/div>\n<\/div>\n","protected":false},"featured_media":332,"template":"","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"rank_math_title":"D-3 Visa Korea: Technical Training | GoKorea Study","rank_math_description":"For foreign nationals receiving industrial or technical training at a Korean company. Learn who qualifies for the D-3 visa, documents, and how to apply.","rank_math_focus_keyword":"korea technical training visa d-3","rank_math_robots":[]},"visa_category":[22],"journey_stage":[],"class_list":["post-312","visa-guides","type-visa-guides","status-publish","has-post-thumbnail","hentry","visa_category-d"],"acf":{"visa_code":"D-3","visa_name_en":"Technical Training \/ Industrial Trainee Visa","visa_name_kr":"\uae30\uc220\uc5f0\uc218","guide_type":"visa","status":"active","visa_type":"Short\/medium-term technical training (non-employment) residence status","eligible_applicants":"Foreign nationals who come to Korea to receive industrial\/technical training (not general employment) at a Korean industrial company that qualifies as a training-invitation host. Under the Immigration Act Enforcement Decree (\ubcc4\ud45c1), the host must be one of: a company that has made a direct overseas investment under the Foreign Exchange Transactions Act; a company that exports technology recognized by the Minister of Justice as requiring technical training; or a company that exports industrial plants overseas. The main sub-code is D-3-1 (\ud574\uc678\ud22c\uc790\uae30\uc5c5 \uae30\uc220\uc5f0\uc218 \/ overseas-invested enterprise technical training). Per the official invitation guidance, individual trainees under D-3-1 must generally be 18-40 years old and in good health, have at least about 3 months of work experience at the overseas local company (with exceptions for essential\/key personnel), and if they previously stayed as a trainee they must have been outside Korea for at least 1 year. Applicants who have a criminal record in Korea or abroad, who received a deportation order from Korea, who overstayed illegally for 6+ months, or who are suspected of intending illegal employment cannot be invited.","required_documents":"Passport; visa application form with photo; certificate of visa issuance confirmation (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c) obtained by the inviting Korean company; documents proving the host company qualifies (e.g. foreign direct investment report \/ evidence of overseas investment, technology-export or plant-export contracts); training plan and training agreement\/contract; proof of the trainee's work experience at the overseas local company; and documents on the training allowance\/insurance and departure guarantee. (A complete official document checklist per sub-code should be confirmed on hikorea.go.kr and with the competent immigration office \u2014 unverified for a full itemized list.)","processing_notes":"D-3 is applied for through the Certificate of Visa Issuance Confirmation (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c) route: the inviting Korean company applies at the competent immigration office in Korea, and once approved the certificate is sent to the trainee to apply for the actual visa at a Korean embassy\/consulate abroad. D-3 industrial training (\uc0b0\uc5c5\uc5f0\uc218) is one of the statuses that generally require a direct visit to an immigration office and cannot be fully processed through the HiKorea online e-civil-petition system. A single invitation is limited to a maximum of 30 trainees per company; more requires a justification letter and supporting documents. Companies with a history of illegal stay among prior trainees, or with trainees already present in Korea, may be excluded. Trainees staying 91+ days must complete foreigner (alien) registration within 90 days of entry.","duration_of_stay":"Up to 2 years maximum period of stay per grant under the Immigration Act Enforcement Rules (\uc2dc\ud589\uaddc\uce59 \ubcc4\ud45c1 \u2014 verify current figure on hikorea.go.kr). In practice the visa\/certificate is often issued for a shorter initial period (commonly up to 6 months) matching the approved training plan and then extended. (Initial-grant length is program-dependent \u2014 unverified.)","extension_rules":"Extensions of stay (\uccb4\ub958\uae30\uac04 \uc5f0\uc7a5) are applied for at the competent immigration office before expiry, based on the ongoing training plan, continued qualification of the inviting company, and the trainee's compliance, within the overall statutory maximum for the D-3 status. Exact extension caps and required documents should be confirmed on hikorea.go.kr. (unverified for specifics)","work_permission":"No general employment is permitted. D-3 is a training status, not a work status \u2014 holders may only carry out the approved technical\/industrial training. Instead of wages they receive a training allowance (\uc5f0\uc218\uc218\ub2f9) \/ living support paid by the inviting company under the applicable training-management rules; this is not general paid employment and working outside the approved training is prohibited. (Exact allowance amounts are set by the host\/program and are not fixed by a single public figure \u2014 unverified.)","korean_requirement":"No universal statutory Korean-language threshold is fixed for all D-3. Some invitation guidance for D-3-1 has referenced a Korean-ability expectation (e.g. TOPIK Level 2 or an equivalent completed course) for certain trainees, but this appears program\/period-dependent and should be confirmed against the current official invitation notice. (unverified)","path_to":"","application_fee":"Overseas single-entry visa issuance and the Certificate of Visa Issuance (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c) carry the standard immigration fees; extension of stay (\uccb4\ub958\uae30\uac04 \uc5f0\uc7a5) is 60,000 KRW. Exact D-3 issuance and certificate fees should be confirmed on hikorea.go.kr. (unverified for the exact D-3 figures)","processing_time":"","policy_updates_2025_2026":"No confirmed 2025-2026 amendment specific to the D-3 status was located in official sources during this research. The D-3-1 (overseas-invested enterprise technical training) program continues to be governed by a Ministry of Justice management rule\/directive (referenced as established-rule\/directive (\uc608\uaddc\/\ud6c8\ub839) No. 1414, revised 2022.04.14). Re-verify current requirements, stay caps, and fees on hikorea.go.kr \/ immigration.go.kr before relying on them. (No dated 2025-2026 official notice found.)","subtypes_note":"Main statistical\/administrative sub-code: D-3-1 = overseas-invested enterprise technical training (\ud574\uc678\ud22c\uc790\uae30\uc5c5 \uae30\uc220\uc5f0\uc218). Further sub-codes reported in immigration code lists include D-3-11 overseas-invested enterprise training (\ud574\uc678\ud22c\uc790\uae30\uc5c5 \uc5f0\uc218), D-3-12 technology-export contract training (\uae30\uc220\uc218\ucd9c), and D-3-13 plant-export training (\ud50c\ub79c\ud2b8\uc218\ucd9c), matching the three host-company categories in the Enforcement Decree. (The exact current sub-code numbering and their individual rules should be confirmed against the official manual \u2014 unverified.)","common_mistakes":"Treating D-3 as a work visa \u2014 it is training-only and pays a training allowance, not employment wages. Assuming the trainee applies directly abroad \u2014 the inviting Korean company must first obtain the Certificate of Visa Issuance (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c) in Korea. Exceeding the 30-trainee-per-invitation limit without justification. Confusing D-3 (technical training, \uae30\uc220\uc5f0\uc218 \u2014 non-employment training) with E-9 (non-professional employment, \ube44\uc804\ubb38\ucde8\uc5c5 \u2014 actual employment) or D-4 (general training, \uc77c\ubc18\uc5f0\uc218 \u2014 general\/language training). Inviting an applicant who overstayed 6+ months previously or already has 2+ prior Korean training records.","official_link":"https:\/\/www.hikorea.go.kr\/info\/InfoDatail.pt?CAT_SEQ=187&PARENT_ID=142","official_manual_url":"https:\/\/www.immigration.go.kr\/bbs\/immigration_eng\/230\/454086\/download.do","issuance_route":"Overseas embassy visa via a Certificate of Visa Issuance (\uc0ac\uc99d\ubc1c\uae09\uc778\uc815\uc11c) obtained by the inviting\/sponsoring Korean company or Korean-invested overseas enterprise; industrial technical-trainee program.","keta_required":"","annual_quota":"","income_threshold":"No personal financial-proof threshold; the sponsoring company provides the training and a training allowance.","points_system_summary":"","subtype_table":"D-3-1 = industrial\/technical trainee dispatched via a Korean-invested overseas enterprise or trade partner (\ud574\uc678\ud22c\uc790(\ud604\uc9c0\ubc95\uc778) \uae30\uc5c5\uccb4 \ub4f1 \uae30\uc220\uc5f0\uc218); single technical-training track with no student-style sub-codes. Specific numeric sub-codes beyond D-3-1 (unverified). Distinct from D-4 general training.","family_accompaniment":"Not permitted \u2014 technical trainees (D-3) are excluded from F-3(\ub3d9\ubc18) family accompaniment; dependents cannot obtain F-3 based on a D-3 sponsor.","competent_ministry_endorsement":"","mobile_residence_card":"A D-3 trainee who completes foreigner registration (\uc678\uad6d\uc778\ub4f1\ub85d) and holds an ARC may issue a mobile ARC (\ubaa8\ubc14\uc77c \uc678\uad6d\uc778\ub4f1\ub85d\uc99d) via HiKorea (available since 2025); same legal effect as the physical card.","penalties":"Working or engaging in activity outside the approved training scope, or overstay, leads to penalty fines (\ubc94\uce59\uae08), a departure order (\ucd9c\uad6d\uba85\ub839), or forced deportation (\uac15\uc81c\ud1f4\uac70) and a re-entry ban; the sponsoring body may also be sanctioned.","experience_waiver_conditions":"","last_updated_date":"2026-07-04"},"uagb_featured_image_src":{"full":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports.jpg",1600,2000,false],"thumbnail":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports-150x150.jpg",150,150,true],"medium":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports-240x300.jpg",240,300,true],"medium_large":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports-768x960.jpg",768,960,true],"large":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports-819x1024.jpg",819,1024,true],"1536x1536":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports-1229x1536.jpg",1229,1536,true],"2048x2048":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports.jpg",1600,2000,false],"trp-custom-language-flag":["https:\/\/gokoreastudy.com\/wp-content\/uploads\/2026\/07\/korea-visa-passports-10x12.jpg",10,12,true]},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/gokoreastudy.com\/ko\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"D-3 \u5370 Visa Guides D-3 Technical Training \/ Industrial Trainee Visa \uae30\uc220\uc5f0\uc218 &mdash; Short\/medium-term technical training (non-employment) residence status &#9679; [&hellip;]","_links":{"self":[{"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/visa-guides\/312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/visa-guides"}],"about":[{"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/types\/visa-guides"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/media\/332"}],"wp:attachment":[{"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/media?parent=312"}],"wp:term":[{"taxonomy":"visa_category","embeddable":true,"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/visa_category?post=312"},{"taxonomy":"journey_stage","embeddable":true,"href":"https:\/\/gokoreastudy.com\/ko\/wp-json\/wp\/v2\/journey_stage?post=312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}