18.4. The support system is an independent information system with the purpose of ensuring the normal, reliable and safe operation of the main and information responsible systems. 18.5. The following systems are included in the support system: 18.5.1. identification and access system; 18.5.2. public key infrastructure; 18.5.3. shared system of correspondence exchange; 18.5.4. information exchange registration system; 18.5.5. notification delivery system; 18.5.6. integrated system of public services; 18.5.7. payment system; 18.5.8. others prescribed by law; 18.5.9. Other systems deemed necessary by the government. 18.6. The system of the data controller is in compliance with the communication and information technology direction and information security standards adopted by the government. 18.7. When connecting to the main or supporting system, the data subject, person or legal entity shall meet the conditions and requirements specified in Article 18.11 of this law and other laws. 18.8. The main system will be created by the central state administrative organization in charge of electronic development and communication issues by the decision of the Government, and will be responsible for organizing and monitoring the operation of the system. 18.9. The main system shall be used for electronic exchange of information between the parties responsible for the information and from the party responsible for the information with persons and legal entities. 18.10. The Government shall approve the procedure for regulating the operation of the main system, providing services using the system, and exchanging information. 18.11. The technical conditions, requirements, instructions and methods of the main system and supporting system shall be approved by the central state administrative organization in charge of electronic development and communication. 18.12. The main system will be placed in the territory of Mongolia. 18.13. When providing services to a person or legal entity, the person responsible for the information shall not request from the person or legal entity the information that can be obtained and exchanged through the main system specified in Article 18.3 of this law. 18.14. The information specified in Section 18.13 of this Law shall be downloaded and compiled by the data controller from the main system specified in Section 18.3 of this Law. 18.15. A legal entity other than the data subject may provide its services to people and legal entities by using the main and support systems, meeting the conditions and requirements specified in Article 18.11 of this law. 18.16. If the legal entity specified in Article 18.15 of this law provides services using the main and supporting systems, it shall sign a contract with the central state administrative organization in charge of electronic development and communication. 18.17. The Government shall approve the model of the contract, the method of calculating costs, and the procedure for concluding the contract specified in Article 18.16 of this law. 18.18. The public information infrastructure shall use the national time standard set by the competent authority. Article 19. Identification and access system Print