stale check

stale check　失效支票，过期支票　

Check presented at the paying bank after a certain period（typically six months）of its payment date.A stale check is not an invalid check，but it may be deemed an’irregular’bill of exchange.A bank may refuse to honor it unless its drawer reconfirms its payment either by inserting a new payment date or by issuing a new check.Also called stale dated check.