8老師請問:
給父母申請綠卡材料遞送哪種方式比較好,USPS還是FEDEX? -Either is OK.
用USPS是發到芝加哥中心那個P.O.BOX,但CEITIFIED MAIL也可以發到P.O.BOX嗎?不是需要人簽收嗎?謝謝 -Express mail cannot be sent to the PO box, no matter it is deleviered by USPS or FedEx. Read the Instructions.