East African Community Court of Justice Rules of Procedure, 2019. “amicus curiae” means a person who is not a party to a proceeding in the Court but who petitions the Court or is invited by the Court to file a brief in the proceeding because he has an interest in the subject-matter; “appellant” means a party appealing from a decision, decree or order of the First Instance Division; “Appellate Division” means the Appellate Division of the Court provided for under Article 23 of the Treaty; “Counsel to the Community” means the Counsel to the Community provided for by Article 69 of the Treaty; “Court” means the East African Court of Justice established by Article 9 of the Treaty; “decree” means the formal expression of an adjudication, which, so far as regards the Division of the Court expressing it, conclusively determines the rights of the parties with regard to any of the matters in controversy in the case and may be either preliminary or final; “Deputy Principal Judge” means the Deputy Principal Judge of the Court as designated under Article 24(5) of the Treaty; “Deputy Registrar” means the Deputy Registrar of theCourt; “First Instance Division” means the First Instance Division of the Court provided for under Article 23 of the Treaty; “ Gazette” means the East African Community Gazette; “intervener”means a Partner State, the SecretaryGeneral or a resident of a Partner State not a party to a case before the Court that is permitted to intervene in a case under Article 40 of the Treaty; 9