This is a reversal clue - look for indicators like 'back', 'returned', 'up' (in down clues), or 'west' (in across clues)
Break down the clue into definition and wordplay parts
Answer: HANDSDOWN | Definition: 'bank' | Wordplay: The instruction during a bank heist wiuld be HANDS UP, so that when the heist is over that command would be cancelled, although I doubt that the tellers would need explicit instructions.