85 (8) The Commissioner shall make annual reports to Parliament on the performance of the Commission which reports shall include statistics in such form and in such detail as may be prescribed of the complaints received by the Commission and the results of any investigation. Restrictions on matters for investigation 169. The Commission shall not, in investigating any matter leading to, resulting from or connected with the decision of a Minister, inquire into or question the policy of the Government in accordance with which the decision was made. Vacation of office and immunity of Commissioners 170. (1) The provision of this Constitution relating to the removal of judges of the superior courts from office shall, subject to any necessary modifications and adaptations, apply to the removal from office of the Commissioner or Deputy Commissioner. (2) A member of the Commission shall have such and like protection and privilege in the case of any action or suit brought against the Commission for any act done or omitted to be done in the honest execution of the duties of the Commission as is by law given to acts done or words spoken by a judge of the superior courts in exercise of the judicial office. Staff and expenses of the Commission 171. (1) The Commission shall have such staff as shall be appropriate for the effective discharge of the functions of the Commission. (2) Administrative expenses of the Commission including salaries, allowances and pensions payable to, or in respect of, persons serving with the Commission, shall be charged on the Consolidated Fund. CHAPTER X THE PUBLIC SERVICE Part 1 Service Commissions Administration of the public service 172. (2) (1) The Public Service of Swaziland shall be administered through service commissions or similar bodies established under this Constitution or any other law. The public service may be divided into sectoral units for ease of management and quick delivery. (3) Each sectoral unit may have a separate service commission. Establishment and membership 173. (1) There shall be independent and impartial service commissions established in terms of this Constitution or any other law for the better management and exercise of certain powers and functions regulating the public service or any part or aspect of the public service. (2) A service commission shall consist of not less than three and not more than five members one of whom shall be appointed a chairman. 85