A commercial document issued by a seller to the buyer, indicating products or services already provided to the buyer as well as the corresponding price that the buyer has to pay.
A written or printed acknowledgement that a specified amount of money or goods has been received as an exchange.
To report the receipt of.
acknowledge the receipt of
an acknowledgment (usually tangible) that payment has been made
mark or stamp as paid
the act of receiving
report the receipt of; "The program committee acknowledged the submission of the authors of the paper"