關於「F4 visa」標籤，搜尋引擎有相關的訊息討論：

F-4 Overseas Korean Visa (재외동포비자) 상세보기|Visa Requirementoverseas.mofa.go.kr › sg-en › brd › viewAmerican Institute in Taiwan, Taipei - TAI - Travel.govtravel.state.gov › Supplements › Supplements_by_Post › T...F4-VISA | Consulate General of the Republic of Korea in New Yorkovers