Agreement for cooperation between the intelligences agencies of Bulgaria, Hungary, East Germany, Poland, Romania, Czechoslovakia and the Soviet Union on "measures to ensure the safety of civilian aircraft from hijacking, [and] acts of sabotage."

Mikhail Gorbachev exposes his idea of the "Common European Home" and states that he will not block reform in East European countries. Gorbachev told the Council that it is "the sovereign right of each people to choose their social system at their own discretion." Gorbachev's statements amount to an unofficial repudiation of the Brezhnev Doctrine.

The CC CPSU announces that it is breaking off negotiations with the US and NATO on Strategic Arms Reduction.

The CC CPSU announces that it is breaking off negotiations with the US and NATO on Strategic Arms Reduction.

Report on the progress of negotiations between the Soviet Union and the United States for the Strategic Arms Reduction Treaty (START), complaining that the American proposals are not acceptable from the Soviet perspective.

The parties agree to work together in protecting their soldiers from ideological diversion by anti-socialist agents and to continue exchanging information gathered by military counter-intelligence.

The two parties agree to exchange workers in the areas of fire prevention in nuclear power plants, the study of theft of imports at border crossings and education in national security. The two interior ministries pledge to consult each other on security in border regions and exchange publications regarding public security, fire-fighting, Czechoslovak criminology methods and the Soviet military- which are listed by name and number of copies.

This document outlines plans for employee exchanges in the areas of: research, criminology, fire prevention, hospital management, political education and state security police. Both parties decide to exchange publications on security, criminology, subversive activities in the Czechoslovak Socialist Republic, fire prevention and the Soviet military, all designated by title and number of copies.

The two parties consent to assist each other in the surveillance of goods going between the Czechoslovak Socialist Republic and the Soviet Union, letters going between the two countries and from them to capitalist countries, correspondence sent from Czechoslovak or Soviet citizens to people who recently arrived from capitalist countries, the mailing of anti-socialist materials sent through the two nations and mail involving anti-socialist propaganda sent to either country from capitalist countries. Both parties also agree to exchange information on ways subversives use the post to their advantage and how each country’s officials monitor post suspected of containing ideologically injurious material.

The parties agree to assist one another in the collection of intelligence information on political, economic, scientific and technical matters and exchange information on suspicious contacts of Czechoslovak and Soviet citizens suspected to be spies or subversive. Both agree to the exchange of counter-intelligence regarding Czechoslovak and Soviet citizens working in scientific organizations and international exhibitions, fairs and congresses. Steps are outlined to protect railroad cargo using troops from Warsaw Pact states, prevent eavesdropping of telecommunications and detect and prevent foreign terrorist attacks on Czechoslovak and Soviet airplanes and anti-socialist interruption of international trucking lines. Special mention is made of multiple international transportation organizations that need to be monitored. Information-sharing procedures are agreed to for commercial and industrial firms, banks, scientific centers and international scientific organizations.