The Department of International Legal Affairs develops promotes and implements the Inter-American Program for the Development of the International Law; supports follow-up mechanisms for various Inter-American conventions; acts as Secretariat of the Inter-American Juridical Committee; acts as depository of Inter-American treaties; and acts as depository of bilateral agreements celebrated between Organs of the OAS with American States or with other Inter-American organs or national entities of member states

The responsibility for concluding treaties involving the United Kingdom lies with the Secretary of State for Foreign and Commonwealth Affairs. This section includes information about bilateral and multilateral treaties involving the UK.