82 b) classified agreements related to international relations that contain specific commitments for the detection and prevention of international organized crime (including drug trafficking, money laundering and acts of terrorism), c) any document containing data specified in subsection (2) relating to, originating from or pertaining to the cooperation of the national security services with the police, d) safeguarding plans of installations and persons protected by the police, documents and descriptions pertaining to security equipment, guards and posts, e) documents enabling the identification of a private person covertly cooperating with the police, except when that person has suffered the infringement of rights and he himself or she herself requests the inquiry thereof, f) documents containing technical data relating to the functioning and operation of equipment and methods used by the police for intelligence information gathering or documents enabling the identification of persons using such equipment and methods, g) documents of the police relating to encoded communications of the police or documents containing aggregate data relating to frequency records for government purposes, h) personal data of witnesses, if the closed processing thereof has been ordered on the basis of the Act on Criminal Procedure, or i) cooperation agreements concluded with the Hungarian Defense Forces or the national security services that are classified ‘Top secret’ data by the parties to the agreement. (4) In the course of his/her inquiry affecting the organs of the National Tax and Customs Administration performing customs authority tasks or the National Tax and Customs Administration Directorate General for Criminal Affairs, the Commissioner for Fundamental Rights may not inspect a) international cooperation agreements and plans concluded with the customs organs of other countries or international organizations, joint measures taken in the course of international cooperation, or data and information originating from the cooperation and put at the disposal of the relevant organ of the National Tax and Customs Administration, if the contracting parties have requested their protection as classified data, b) classified agreements related to international relations that contain specific commitments for the detection and prevention of international organized crime (including drug trafficking, money laundering and acts of terrorism), c) any document containing data specified in subsection (2) relating to, originating from or pertaining to the cooperation of the national security services with the relevant organ of the National Tax and Customs Administration, d) safeguarding plans of installations and persons guarded by the National Tax and Customs Administration, documents and descriptions pertaining to security equipment, guards and posts, e) documents relating to encoded communications or containing aggregate data relating to frequency records for government purposes, f) documents enabling the identification of a private person covertly cooperating with the relevant organ of the National Tax and Customs Administration, except when that person has suffered the infringement of rights and he himself or she herself requests the inquiry thereof, g) documents containing technical data relating to the functioning and operation of equipment and methods used by the National Tax and Customs Administration for intelligence information gathering or documents enabling the identification of persons using such equipment and methods, h) documents containing aggregate data relating to the equipment used for intelligence activities by the relevant organ of the National Tax and Customs Administration and to the functioning of such equipment, or i) data of methods used by the relevant organ of the National Tax and Customs Administration in connection with the protection of tax stamps, or documents containing data relating to the