<p> SALT</p><p>Signed at Moscow May 26, 1972 Approval authorized by U.S. Congress September 30, 1972 Approved by U.S. President September 30, 1972 Notices of acceptance exchanged October 3, 1972 Entered into force October 3, 1972</p><p>The United States of America and the Union of Soviet Socialist Republics, hereinafter referred to as the Parties, </p><p>Convinced that the Treaty on the Limitation of Anti-Ballistic Missile Systems and this Interim Agreement on Certain Measures with Respect to the Limitation of Strategic Offensive Arms will contribute to the creation of more favorable conditions for active negotiations on limiting strategic arms as well as to the relaxation of international tension and the strengthening of trus between States, </p><p>Taking into account the relationship between strategic offensive and defensive arms, </p><p>Mindful of their obligations under Article VI of the Treaty on the Non-Proliferation of Nuclear Weapons, </p><p>Have agreed as follows: </p><p>Article I</p><p>The Parties undertake not to start construction of additional fixed land-based intercontinental ballistic missile (ICBM) launchers after July 1, 1972</p><p>DONE at Moscow on May 26, 1972, in two copies, each in the English and Russian languages, both texts being equally authentic.</p><p>FOR THE UNITED STATES OF FOR THE UNION OF SOVIET AMERICA: SOCIALIST REPUBLICS: </p><p>RICHARD NIXON L.I. BREZHNEV </p><p>President of the United States of America General Secretary of the </p><p>Central Committee of the CPSU </p><p>Having agreed on certain limitations relating to submarine-launched ballistic missile launchers and modern ballistic missile submarines, and to replacement procedures, in the Interim Agreement,</p>