267. Subject to the provisions of this section, an Act of the Federal Legislature or the Provincial Legislature may provide for the exercise of additional functions by the Federal Public Service Commission or, as the case may be, by the Provincial Public Service Commission: Provided that-
(a) no Bill or amendment for the purposes aforesaid shall be introduced or moved without the previous sanction of the Governor-General in his discretion, or, as the case maybe, of the Governor in his discretion; and
(b) it shall be a term of every such Act that the functions conferred by it shall not be exercisable-
(i) in relation to any person appointed to a service or a post by the Secretary of State or the Secretary of State in Council, any officer in His Majesty’s Forces, or any holder of a reserved post, except with the consent of the Secretary of State; or
(ii) where the Act is a provincial Act, in relation to any person who is not a member of one of the services of the Province, except with the consent of the Governor-General.