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Hi @AmyC I was on F1-OPT status while I was having 1042 S (treaty benefit) and in September I got a green card. My company forgot to put me in the treaty benefit before August and thus I only got a portion of the allowable treaty benefit for August. Now, can I claim the full treaty benefit while tax filing? Also, is it that true a green card holder can't claim treaty benefits for the same year receiving a green card?