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我計劃為國內的姐姐申請綠卡,請問老師們:出生證,結婚證這些文件都需要在國內做公證嗎?謝謝
-Yes. You need your sister's birth certificate and your birth certificate to file I-130 for her, but do not need her marriage certificate for I-130. Her marriage certificate will be needed for her immigrant visa appliction in the future.