Kuwait Court of Cassation principle number 3209

A party's appearance at the hearing specified in the invalid service document. Constitutes a waiver by him of reliance upon its nullity. Nullity of summonses due to a defect in service, in the designation of the court, or in the hearing date is relative. It does not relate to public order. It must be invoked in the statement of appeal. The effect of omitting this. Forfeiture of the right to invoke it, and the Court of Appeal may not declare it of its own motion. A reference in the facts to his not having been served. Does not constitute an express and unequivocal invocation of nullity. The Court of Appeal's declaration of nullity of its own motion. Vitiates its judgment by violation of the law.