D-4-1 (University Language Program) Korea Visa Guide | 2026

1. What D-4-1 Is

D-4-1 is the Korean-language training code within general training (D-4). It covers study at a language institute ATTACHED TO a university that itself qualifies for study (D-2) status — a higher-education institution or an approved foreign educational institution of junior-college level or above. The institute must fall under the authority and responsibility of the university's president or dean and, in principle, be located inside the university.

2. Eligibility Checklist

• Holds a high school diploma or above. (The sibling code D-4-7, for foreign-language training, additionally admits students still enrolled at or below high school level.)
• Admitted to a language institute attached to an eligible university — NOT a private academy (사설학원) and NOT a lifelong-education facility, including a university's own lifelong-education centre. Those are excluded from D-4 entirely.
• Intends to study for MORE than 90 days. A language course of 90 days or less is not a D-4 case at all — it takes the short-term general visit code C-3-1.
• Can evidence financial capacity for tuition and living costs.
• Certificate of Visa Eligibility route is mandatory, not optional, for: nationals of Cuba, Syria, North Macedonia and Kosovo; and language students from Mongolia, Vietnam, Uzbekistan and China, whether entering a general university or a lower-tier one.

3. Criteria Summary

• D-4-1 is not a points-based status.
• The single most common disqualifier is the institution: private academies and lifelong-education facilities cannot sponsor D-4, however good the course.
• The 90-day line matters — below it the correct visa is C-3-1, not D-4-1.
• The manual also imposes standards on the INSTITUTE, not just the student: it must employ enough instructors holding National Institute of Korean Language teaching certificates (foreign nationals qualify if certified), maintain a minimum instructor-to-student ratio, and run the course in the daytime on weekdays as attendance-based classes with minimum days per week, hours per week and hours per half-year.
• Those numeric minimums are set in the manual's own table and are not reproduced here — confirm them against the current manual before relying on a school's claim to be compliant.

4. Salary and Contract Rules

• D-4-1 is a study status; no work-salary threshold applies as core eligibility.
• Permitted part-time activity is separately regulated and requires proper authorization where applicable.
• Primary focus is stable funding for tuition and living expenses, not employment income in Korea.
• Using D-4-1 primarily for work intent is a high-risk refusal factor.

5. Employer and Workplace Change Rules

• D-4-1 does not rely on an employer sponsor as primary basis.
• If approved for limited part-time work, activity must remain within permission scope and reporting rules.
• School transfer, leave, or withdrawal should be reported per immigration requirements.
• Unreported academic status changes can jeopardize extension or future status-change filings.

6. Required Documents

• Visa application form, passport, one standard photograph, and the fee.
• Copy of the institution's business registration certificate or unique number certificate.
• Standard admission letter (표준입학허가서) issued by the university's president or dean.
• Enrolment certificate or proof of your final level of education. Assessed on the original in principle; a copy is acceptable where a staff member has certified it against the original.
• Financial evidence — for example a bank balance certificate, bankbook, scholarship certificate, or account transaction history. Originals in principle, with the same certified-copy allowance.
• Additional country-specific or case-specific documents if requested.

7. Fees and Processing

• The visa issued is a SINGLE-ENTRY general training (D-4) visa with a stay period of six months or less.
• Apply, as a rule, at the Korean mission with jurisdiction over your country of residence or over the location of your last school.
• Nationals in the mandatory Certificate of Visa Eligibility groups must go through that route — the school applies in Korea first, so start earlier than a direct consular application would need.
• Student cases with weak financial evidence often receive supplement requests.
• Apply with timing buffer before programme start and before stay-expiry windows.

8. Common Rejection Reasons

• Insufficient or inconsistent financial proof for planned language-study period.
• School/program documents are incomplete or not acceptable for D-4-1 review.
• Study-purpose credibility is weak compared with applicant profile.
• Past overstay/non-compliance or unreported status changes.
• Submission based on outdated student-document assumptions after guideline updates.

9. FAQ