Kuwait Court of Cassation principle number 2678

Nullity or annulment of the contract. Its import. Extinction of its effects, restoration of the situation to what it was before contracting, and recovery by each contracting party of what he gave. - Impossibility of restitution in kind by one contracting party upon nullity of the contract. Permissibility of requiring him to render equivalent performance. - An award of equivalent performance upon nullity of the contract does not preclude an award of default interest as compensation where the debtor delays performance of his obligation.