Kuwait Court of Cassation principle number 256

An appeal transfers the case to the Court of Appeal with its factual elements and legal evidence, solely within the limits of what has been appealed. With the original claim remaining unchanged, addition of a new ground. An example concerning the invalidity of a lease of shops concluded by a non-Kuwaiti, which does not preclude basing his appeal on unjust enrichment as a new ground for the claim for equivalent performance.