21Advisory Opinion of 15 December 1989 — Applicability of Article VI, Section 22, of the Convention on the Privileges and Immunities of the United NationsAdvisory opinions
22Advisory Opinion of 8 July 1996 — Legality of the Use by a State of Nuclear Weapons in Armed ConflictAdvisory opinions
23Advisory Opinion of 8 July 1996 — Legality of the Threat or Use of Nuclear WeaponsAdvisory opinions
24Advisory Opinion of 29 April 1999 — Difference Relating to Immunity from Legal Process of a Special Rapporteur of the Commission on Human RightsAdvisory opinions
25Advisory Opinion of 9 July 2004 — Legal Consequences of the Construction of a Wall in the Occupied Palestinian TerritoryAdvisory opinions
26Advisory Opinion of 22 July 2010 — Accordance with international law of the unilateral declaration of independence in respect of KosovoAdvisory opinions
27Advisory Opinion of 25 February 2019 — Legal Consequences of the Separation of the Chagos Archipelago from Mauritius in 1965Advisory opinions
28Advisory Opinion of 1 February 2012 — Judgment No. 2867 of the Administrative Tribunal of the International Labour Organization upon a Complaint Filed against the International Fund for Agricultural DevelopmentAdvisory opinions