• Montevideo Convention on the Rights and Duties of States 26 December 1933
• Reservation of the United States with respect to the Montevideo Convention 26 December 1933
• Reservation of Peru and Brazil with respect to the Montevideo Convention 26 December 1933

Vienna Conventions

• Vienna Convention on the Law of Treaties 23 May 1969
• Vienna Convention on Succession of States in Respect to Treaties 23 August 1978
• Vienna Convention on the Law of Treaties Between States and International Organisations or Between International Organisations 21 March 1986