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.