LAW OF TREATIES · XXIII-3

Brazil and the Vienna Convention on the Law of Treaties between States and International Organizations or between International Organizations

Brazil became bound on 2026-10-01, by ratification, the 43rd state to do so.

Treaty

Vienna Convention on the Law of Treaties between States and International Organizations or between International Organizations

State

Brazil

Signed

1986-03-21

Became bound

2026-10-01 — by ratification

Between the two

14,804 days (40.5 years)

Depositary record

United Nations Treaty Collection

Where this sits

• 43 in order of becoming party
• 46 states bound in total
• Vien treaty adopted

Order is by the date the depositary records, and states that became bound on the same day share a position — eleven states became party to the Charter on 24 October 1945 and none of them was eleventh.

Every party to this treaty · Everything about Brazil