Kuwait Court of Cassation principle number 277

Nullity of a contract. Extinguishes it from the time of its conclusion and removes every effect of its performance. Its consequence. Restoring everything to its original state and each contracting party recovering what it gave. Impossibility of this for one contracting party. Its obligation to render equivalent performance to the other contracting party pursuant to the rule prohibiting enrichment without cause. - Requesting equivalent performance for the first time before the Court of Appeal. Permissible while the subject matter of the original claim remains unchanged. Article 144/3 of the Law of Procedure.