compliance with those standards and enforce them for those services and for the connection of user equipment to communication networks; (l) monitor and submit reports to the Minister on the sector, such as, the performance of the public operators, the quality of consumer services, and consumer satisfaction, measured according to existing international codes of practice; (m) deal with all questions relating to the protection of the interests of consumers, which include defining complaint processing procedures to be implemented by operators or service providers, managing a suitable sys-tem for receiving consumer complaints, the conduct of investigations concerning information and communications services, and sub-mission of those complaints; (n) enforce obligations of public information and communications operators and service providers to ensure that adequate, highquality, affordable services meeting the various needs of the consumers are being delivered; (o) elaborate and, if necessary, revise the accounting requirements specific for the sector and tariff principles to be used by operators and service providers; (p) regulate tariffs chargeable for the provision of publicly available telephony services, or any other service provided in a market that is not competitive or in which competition is restricted; (q) regulate the protection and security of data; (r) regulate any matter relating to the administration, management and assignment of radio frequency spectrum, in conformity with domestic and international requirements 34