Kuwait Court of Cassation principle number 2108

Delivery of what is not due. Its sufficiency to impose an obligation of restitution on the recipient. The basis thereof. Unjust enrichment at another’s expense through what he received. The reason why it was not due is immaterial. - An action to recover what was paid without legal entitlement. Its lapse upon the passage of three years from the day the claimant learns of his right to recovery, or upon the expiry of fifteen years from the day that right arises, whichever period expires earlier.