Vienna Convention on the Law of Treaties

The Vienna Convention on the Law of Treaties is a contract of treaties and international law. It also defines the means of expression consent to be bound by a treaty including ratification. It was signed in the 1960s. It codified earlier customs that were there. 105 states signed the convention.

 Other websites 

Full text of the treaty: html, pdf 
Easy-to-read version of the text 

Sources
Damrosch, Henkin, et al., International Law, West Group 2001.

Category:Treaties and Conventions