What is a 4th party check?

A fourth-party check is a financial instrument that involves four parties: the original check writer (the first party), the payee (the second party), the bank that processes the check (the third party), and an additional party that endorses the check to another individual or entity (the fourth party). This type of check typically requires the endorsement of the original payee before it can be cashed or deposited by the fourth party. Fourth-party checks can be risky and are often not accepted by banks due to concerns over fraud and insufficient verification of the parties involved.