Thus, if B A treated during his illness, but refused to accept payment from A; Being a friend out of gratitude promises to pay ₹1,000 to B`s son D, the agreement between A and D is not valid for lack of consideration, as it does not fall under this exception. 3. It is a written and signed undertaking given by the person to whom he is subject or by his general agent or particularly empowered on that behalf to settle all or part of the debt which the creditor could have obtained payment of by force, but for the law of limitation of remedies. In each of these cases, such an agreement is a contract. The UZK allows a party to clear a claim or right resulting from an alleged infringement of the other party without consideration. This objective is achieved by granting the other party a waiver signed in writingAn informed choice, in which one waives the right to appeal otherwise available. or waiverA formal refusal of something, such as a contract.