What is an endorsement signing a check over to a third person?

An endorsement signing a check over to a third person is known as a "third-party endorsement." This process involves the original payee signing their name on the back of the check, followed by the name of the person to whom the check is being transferred. This act allows the third person to cash or deposit the check. It's important for the original payee to ensure that the transfer is secure, as they remain responsible for the check until it is cashed or deposited by the new payee.