International treaties of the Republic of Uzbekistan, together with universally recognized principles and norms of international law, constitute an integral part of the legal system of the Republic of Uzbekistan.

In accordance with the Constitution of the Republic of Uzbekistan, the ratification of an international treaty is carried out by the chambers of the Oliy Majlis of the Republic of Uzbekistan through the adoption of a law on the ratification of the treaty.
The following international treaties are subject to ratification:
Treaties establishing the foundations of interstate relations and mutual legal assistance;
Treaties concerning the defense capacity of the Republic of Uzbekistan, peace treaties, and collective security agreements;
Treaties on territorial delimitation of the Republic of Uzbekistan with other states;
Treaties involving Uzbekistan's participation in interstate unions, international organizations, and other associations;
Treaties requiring amendments to existing laws or the adoption of new laws in Uzbekistan, or establishing provisions differing from those in Uzbekistan's laws.
International treaties whose negotiating parties have agreed to subsequent ratification are also subject to ratification.
The chambers of the Oliy Majlis may also ratify other international treaties at their discretion.
International treaties concerning state external borrowings and international guarantee agreements are not subject to ratification. These treaties take effect for Uzbekistan as determined by the agreement of the contracting parties.