When applying for a copyright, spouses often utilize supplemental forms to strengthen their applications. These forms, known as R1, R2E, R2I, and R2A, provide additional information regarding the relationship between the applicant and their spouse. At the US Consulate, these forms play a significant

**Th? t?c xin visa du l?ch M?: Visa Công tác/Du l?ch B-1/B-2** **Gi?i thi?u v? Th? th?c Công tác/Du l?ch B-1/B-2** Th? th?c B-1/B-2 là lo?i th? th?c dành cho nh?ng ng??i mu?n ??n Hoa K? t?m th?i ?? công tác (B-1) ho?c du l?ch, ?i?u tr? y t? (B-2). - **Th? th?c B-1**: Ph?c v? m?c ?ích công tác, nh?