The Statute is divided into 5 chapters and consists of 70 articles. The Statute begins with Article 1 proclaiming:
"The international Court of Justice established by the Charter of the United Nations as the principal judicial organ of the United Nations shall be constituted and shall function in accordance with the provisions of the present Statute."
Chapter I: Organization of the Court (Articles 2 - 33)
Chapter II: Competence of the Court (Articles 34 - 38)
Chapter III: Procedure (Articles 39 - 64)
Chapter IV: Advisory Opinions (Articles 65 - 68)
Chapter V: Amendment (Articles 69 & 70)
Article 38.1 lists sources that the court may apply to decide a case, including: treaties, customary international law, general principles of law, and (as subsidiary means) judicial decisions and academic writing. These sources are qualified by Article 59 which states that ICJ decisions are binding only to the parties in that case, and Article 38.2 which allows the court to decide a case ex aequo et bono if the parties agree thereto.
Parties to the Statute
Parties upon becoming a UN member
Parties prior to joining the UN under Article 93
UN General Assembly non-member observer states which are not parties