Answer: refile

AnswerCrossword Clue
REFILETransfer from "miscellaneous"
REFILEPut in a different folder
REFILESubmit a 1040X
REFILESubmit an amended 1040
REFILESend an amended 1040, say
REFILESend out a new 1040
REFILEPlace back in the folder
REFILEChange a card catalogue
REFILEAmend one's return
refileto file again