treat, inter alia, natural and legal persons and other persons determined by law. (…). In accordance with the foregoing [Article 53 of the General Rules of Procedure], it is recalled that any person having legal personality or express legal authority may act as a claimant, defendant or intervener in the proceedings. For the Chamber, “in accordance with Article 159 of Law 1437 of 2011, public bodies and other entities that, under the law, may appear in the proceedings as plaintiffs, defendants or interveners. Rule 53 of the General Rules of Procedure provides that they may be parties to such a party.