Petition for Alien Relative
Purpose of Form :
For citizen or lawful permanent resident of the United States to establish the relationship to certain alien relatives who wish to immigrate to the United States. Note: A separate form must be filed for each eligible relative. USCIS processes Form I-130, Petition for Alien Relative, as a visa number becomes available. Filing and approval of an I-130 is only the first step in helping a relative immigrate to the United States. Eligible family members must wait until there is a visa number available before they can apply for an immigrant visa or adjustment of status to a lawful permanent resident.
라고 이민국 웹사이트에 설명이 되어있군요.
결론은, 영주권자나 시민권자가 배우자나 형제, 부모를 초청할때 쓰는 폼이라는거 같습니다.
