Chit
Official workplace term for receipt, voucher, or memo note
chit1 CHit/Submit noun 1. a short official note, memorandum, or voucher, typically recording a sum owed. 2. The sound a single squirrel makes in warning to other squirrels. (A group of squirrel chatting to each other is called chatter, or chatting).
I heard the squirrel chit in alarm at the crazy ass lady barking at him. They all began to chatter.