21 (3) A Commissioner referred to in subparagraph (2) shall take no part in the consideration or discussion of, or vote on, any question before the Commission which relates to any contract, right, immovable property or interest referred to in that subparagraph. (4) Any Commissioner who contravenes subparagraph (2) or (3) shall be guilty of an offence and liable to a fine not exceeding level four or to imprisonment for a period not exceeding three months or to both such fine and such imprisonment. Validity of decisions and acts of Commission 10. No decision or act of the Commission or act done under the authority of the Commission shall be invalid on the ground that— (a) the Commission consisted of fewer than the minimum number of persons prescribed in paragraph 6(6); or (b) a disqualified person acted as a Commissioner at the time the decision was taken or act was done or authorised: Provided that the Commission shall ratify any such decision or action as soon as possible after it becomes aware that the decision or action was taken in the circumstances described in subparagraph (a) or (b). Minutes of proceedings of Commission 11.(1) The Commission shall cause minutes of all proceedings of and decisions taken at every meeting of the Commission to be entered in books kept for the purpose. (2) Any minutes referred to in subparagraph (1) which purport to be signed by the Chairperson of the meeting to which the minutes relate or by the Chairperson of the next following meeting of the Commission or the committee concerned shall be accepted for all purposes as prima facie evidence of the proceedings of and decisions taken at the meeting concerned. Execution of contracts and instruments by Commission 12. Any agreement, contract or instrument approved by the Commission may be entered into or executed on behalf of the Commission by any persons generally or specially authorised by the Commission for that purpose. SECOND SCHEDULE (Section 4(3)) ANCILLARY POWERS OF COMMISSION 1. To acquire by lease, purchase, or otherwise, immovable property and to construct buildings thereon. 2. To buy, take in exchange, hire or otherwise acquire movable property, including vehicles, necessary or convenient for the performance of its functions. 3. To maintain, alter and improve property acquired by it. 4. To mortgage or pledge any assets or part of any assets and, with the approval of the Minister, to sell, exchange, let, dispose of, turn to account or otherwise deal with any