(b) conditions relating to the provision of information reasonably requested with a view to verifying compliance with applicable conditions and for statistical purposes; (c) accessibility to end users of numbers in the national numbering plan; (d) payment of fees; (e) conditions relating to the protection of users and subscribers, particularly in regard to(i) standard contracts concluded with subscribers, (ii) detailed and accurate invoicing, and (iii) the availability of a dispute resolution procedure; (f) the publication of service access conditions, including tariffs, quality and availability, and adequate notification whenever such conditions are amended; (g) specific rules concerning personal data and privacy protection; (h) specific rules and conditions relating to consumer protection; (h) restrictions in regard to the transmission of illegal content and of harmful content relating to internet and television broadcasting activities; (j) conditions aimed at preventing anticompetitive behaviour in information and communications markets, and in particular measures designed to ensure that tariffs are not discriminatory and do not distort competition; (k) communication of information contained in 53