Kuwait Court of Cassation principle number 1527

Mistake in contracting. The condition for giving it effect. It must be the inducement to contract, and the mistake must be connected with the other contracting party through his having made the same mistake, his knowledge that his counterpart had made it, or its having been easy for him to discern that. Article 147 of the Civil Code. - Assessment of proof that the contracting party made a mistake, or negation thereof. A matter of fact. - The burden of proving mistake. Rests upon the party invoking it.