152 No. 15 of 2009] Information and Communication Technologies tariff rates shall be structured and levels set to attract investments into the communications industry; tariff rates shall take into account the regulations and recommendations of the international conventions to which Zambia is a party; and (c) all services shall be priced, rated, billed and denominated in the local currency of the Republic. Tariff rates and regulations 51. (1) The Minister may, by statutory instrument, make regulations on the determination and publication of tariff rates for respective services provided by the licensees under this Act. (2) The regulations under subsection (1) may include rules about the tariff rates and charges and variation of rates for specified services or classes of services; rules about the publication or disclosure of tariff rates for specified or classes of services; or (c) tariff rate models that may be applicable to specified licencees or classes of licensees or specified services or classes of services. Penalty for using unapproved tariffs, charges, etc. Prohibition of using frequency bands, etc. without assignment Spectrum and number assignment 52. A licensee who exceeds the tariff rates or charges approved by the Authority for the provision of any service or who imposes any unauthorised tariff or charge, commits an offence and is liable, upon conviction, to a fine not exceeding two million penalty units. PART VI T ECHNICAL REGULATION 53. A person who uses one or more frequency bands and electronic addresses or numbers without an individual assignment commits an offence and is liable, upon conviction, to a fine not exceeding five hundred thousand penalty units or to imprisonment for a period not exceeding five years, or to both. 54. (1) The Authority may, by declaration, designate the bands of frequency spectrum and numbers to be used for a class assignment and that may be used without an assignment (2) A person intending to undertake an activity covered by a class assignment shall, prior to undertaking such activity, apply to the Authority in the prescribed manner and form upon payment of the prescribed fee.