Equipment and materials must be manufactured according to the standards of the International Electrotechnical Commission IEC, of the International Telecommunication Union ITU, and they must comply with the requirements stated in the telecommunications industry standards set by Ministry of Information and Communications, promulgated by the Electricity of Vietnam, the provisions of regulations on IT in the Electricity industry issued by the Electricity of Vietnam, the industry standards in the Code of Electrical Equipment issued by Ministry of Industry and Trade, and the Vietnamese standards issued by the Electricity of Vietnam. Issued by the Ministry of Information and Communications.