A party who endorses a bill of exchange (e.g., a cheque) to enable another to negotiate it may not be held liable on the bill, even though no consideration was given as a result of the endorsement.

Endorse

To give one's public approval or support to someone or something, or to sign a document thus validating it.

Bill of Exchange

A written, unconditional order by one party directing another party to pay a specified sum of money to a third party on demand or at a set date.