Ratification
The Constitutive Treaty of the Union of South American Nations came into force on March 11, 2011, thirty days after the date of receipt of the ninth instrument of ratification.
Read more about this topic: UNASUR Constitutive Treaty
Ratification
The Constitutive Treaty of the Union of South American Nations came into force on March 11, 2011, thirty days after the date of receipt of the ninth instrument of ratification.
Read more about this topic: UNASUR Constitutive Treaty