Commission that such charges are justifiable due to any statutory obligation or other objectively verifiable criteria. (4) The Commission shall, at least thirty (30) days before approving any tariffs, give notice to customers in the Gazette and in such manner as the Commission may consider necessary- Unreserved postal services fees and operations (a) specifying the name and particulars of the licensee or class of licensees providing the postal service to which the tariffs relate; (b) stating the reasons for the proposed review of the tariffs and setting out the proposed tariffs; (c) specifying the time within which representations or objections may be made to the Commission on the proposed reviews; (d) informing the customers of the new tariffs at least fourteen (14) days before implementation. 81. (1) All licensees of unreserved postal services shall operate at least one physical address which shall be registered with the Commission and any change of such registered office shall be notified to the Commission within a period of fourteen (14) days of such change. (2) Subject to the Act, these Regulations and licences, the Commission shall have the power to categorise postal licensees and to prescribe fees payable to the Commission by such licensees. Consumer complaint procedures. 82. (1) All licensees shall provide a mechanism through which consumers may lodge complaints concerning the services given by such licensee. (2) Not withstanding the generality of paragraph (1), the procedures for lodging complaints shall provide for (a) notification to customers of the right to complain; (b) availability of complaint form or any other written method for raising complaints; 60