268. (1) Subject to the provisions of this Clause there shall be a Public Service Commission for the Federation and a Public Service Commission for each Unit. (2) Two or more Units may agree:
(a) that there shall be one Public Service Commission for that group of Units; or
(b) that the Public Service Commission of one Unit shall serve the needs of all other Units of the group; and any such agreement may contain such incidental and consequential provisions as may appear necessary or desirable for giving effect to the purposes of the agreement and shall, in the case of an agreement that there shall be one Commission for a group of Units, specify by what authorities the functions of the Governor concerning the Public Service Commission shall be discharged.
(3) The Public Service Commission for the Federation if requested so to do by the Head of a Unit may, with the approval of the President of the Federation agree to serve all or any needs of the Unit.