Kuwait Court of Cassation principle number 2614

Constitution of adversarial proceedings in an action, appeal, or cassation. Its condition. That they be brought through valid procedures and that the party possess litigation capacity. Nullity resulting from failure to observe this. An unqualified nullity that may be pleaded at any stage of the action. - A party's litigation capacity. Its criterion. Establishment of his legal personality, whether a natural or juridical person. Absence of capacity to be a party. Its effect. Nullity of the action or challenge. This nullity is a matter of public policy.