Answer:
rescission agreement
Step-by-step explanation:
A rescission agreement is a remedy in law that allows parties to cancel a contract.
Usually parties to a contract rescind if there is a misrepresentation, mistake, duress, or undue influence.
Mutual rescission is when there is an agreement between the two parties to cancel the contract before it's performance.
If a contingent sale fails because buyer is unable to meet his obligations bother parties can complete a rescission agreement.