Signatures, on the front by the payee, and on the back by the depositor, on a check acknowledging that both parties agree to exchange the specified check amount. Written on the back of a check acknowledges (1) these signatures and account information, and (2) that the intended recipient received the document and, (3 ) that the intended recipient deposited it. The person cashing the check, as well as the recipient of the check, must both sign the document to allow the cashing of this check, .