140. (1) The functions of a public service commission shall be –(a) to conduct tests and examinations for the selection of suitable persons for appointment to the service of the Republic;(b) to advise the President on any matter on which the commission is consulted under clause (2) or on any matter connected with its functions which is referred to the commission by the President; and(c) such other functions as may be prescribed by law. (2) Subject to the provisions of any law made by Parliament, and any regulation (not inconsistent with such law) which may be made by the President after consultation with a commission, the President shall consult a commission with respect to –(a) matters relating to qualifications for, and methods of recruitment to, the service of the Republic;(b) the principles to be followed in making appointments to that service and promotions and transfers from one branch of the service to another, and the suitability of candidates for such appointments, promotions and transfers;(c) matters affecting the terms and conditions (including pension rights) of that service; and(d) the discipline of the service.