The rfe said submit i601 with the appropriate office, after receiving the receipt notice and receipt number, only send the receipt notice to the local office for final decision . She sent it first at Vermont, Vermont retuned it with a stamp having the texas address, she again sent it to texas and we received a notifice with the Vermont address that « this application is not needed at the moment » this notice came after the extension period was over and we sent it anyway to the local office last February 13th. But during the rfe period , 2 weeks before the extension expire we sent a copy of i601 to the local office explaining them that we filed the i601 on time but uscis hasn’t sent the receipt notice yet