The child (citizen) must be at least 21 years old.

來源: 2006-05-21 19:40:47 [舊帖] [給我悄悄話] 本文已被閱讀:

See "2. For Whom May You File", A.2

http://www.uscis.gov/graphics/formsfee/forms/files/i-130.pdf