(5) The Commission may, if it considers appropriate to do so in furtherance of the objectives of the Act, modify the terms of a postal licence on application of a postal licensee; Provided that where such modification is at the request of a postal licensee, such licensee shall meet the costs of the modification. (6) Any person who is aggrieved by the decision of the Commission made under this regulation may appeal to the Tribunal within fifteen (15) days from the date on which the decision is made. Suspension and cancellation of licences. 75. (1) Every postal licence shall contain provisions for the suspension or revocation of the licence. (2) Notwithstanding the provisions of paragraph (1), the Commission may suspend or revoke a licence on grounds of(a) serious and repeated breach of the licence conditions; (b) discovery of any fraud or intentional misrepresentation by a licensee at the time of applying for the licence; (c) engagement in or support of unlawful activities by the licensee; or (d) cessation of the licensee to be a person who is eligible to hold such license; or (e) failure to pay the prescribed fees. (3) Unless provided otherwise in the licence, the Commission shall give a licensee sixty (60) days written notice of its intention to suspend or cancel a licence and shall specify in such notice the reasons for the intended suspension or cancellation of the licence. 56