去年交的的ead 和485是寄到NSC, 然后被transfer 到 csc, ead批准也在csc,收据号码是wacXXXX, 现在要renew ead, 填表的时候有问题 Have you ever before applied for employment authorization from USCIS? * If yes, which USCIS office? office应该填csc还是nsc? 多谢了