(1) A service provider shall affix a type approval label in its entire communications terminal or network equipment. (2) Every supplier, importer or distributor shall ensure that all equipment offered for sale or private use have valid type approval or type acceptance certificates issued by the Commission and is clearly affixed with a type approval label issued by a recognized Commission containing(a) the logo of the Commission; (b) the type of the equipment; and (c) the alphanumeric identifications of the equipment. 13. Revocation of type approval of device. (1) The Commission may, on its own motion or upon a complaint by any person, conduct investigations regarding the operation or use of equipment or apparatus that has been granted provisional or final type approval and may revoke the type approval where it is satisfied that(a) the holder of a final or provisional type approval certificate has violated its conditions; or (b) the equipment or apparatus is causing or is likely to cause harmful interference to communications network or is a risk to human health or the environment. (2) Any person who is aggrieved by the decision of the Commission made under this Regulation may appeal to the Appeals Tribunal. 14. Complaint procedure. (1) Any person may make a complaint in respect of the working of any equipment that has been type approved or object to the type approval of any equipment by submitting a complaint or objection to the Commission in writing stating(a) the name and address of the complainant; (b) the name and address, if known, of the person against whom the complaint is made; and (c) the facts, including supporting data, where available, showing that the