31.3 Mediator shall assure storage of information stated in Article 31.2.3 of this law for 6 months. 31.4 Mediator shall be registered in corresponding executive body to function. 31.5 Mediator serves users upon contract. 31.6 Mediator that violates requirements of Article 31.2 of this law bears responsibility by legislation of the Republic of Azerbaijan. 31.7 Mediator assures security of its activity and bears no responsibility for contents of documents stored, transmitted and received. Article 32. Electronic documents containing confidential information 32.1 Rule of use and actions of protection of electronic documents containing state, commercial, bank secrets and other confidential information is set by legislation of the Republic of Azerbaijan. 32.2 For exchange of electronic documents containing state secret only certified electronic signature and electronic document circulation means shall be used. 32.3 Expertise of information systems used for making, development and exchange of electronic documents containing state secret is carried out in the way set by corresponding executive body. 32.4 Persons with access to work with electronic documents stated in Article 32.1 of this law shall assure implementation of actions required for protection of these documents by legislation of the Republic of Azerbaijan. 32.5 Subjects implementing electronic document circulation upon contract signed between parts set by themselves ways of appeal to electronic documents containing confidential information and their protection by legislation of the Republic of Azerbaijan. Chapter VI Special provisions Article 33. Implementation of state regulation 33.1 Regulation of electronic signature application and use processes, activity of certificate services centers and control on that is realized by corresponding executive body. 33.2 Corresponding executive bodies fulfil following duties in field of regulation of electronic signature use: 33.2.1 sets rules of creation and verification of signature; 33.2.2 makes rules of use of electronic signature and electronic document; 33.2.3 makes rules of granting certificate and conducting registration, sets contents of information included in that and list of other information; 33.2.4 makes requirements and standards for electronic signature, signature means and electronic document circulation; 33.2.5 sets requirements and rules for registration of centers, mediators and formation of their activity; 33.2.6 registers centers, mediators and annuls registration; 33.2.7 sets rule of accreditation of center;