Kuwait Court of Cassation principle number 2702

The plea of lack of subject-matter jurisdiction is a matter relating to public order. It is deemed to exist in the proceedings and to be before the court even if not pleaded before it, and the court rules on it of its own motion. - A judgment on the merits is considered to include an implicit ruling on jurisdiction. - The plea of lack of subject-matter jurisdiction. It is not subject to acceptance or waiver.