(4) Where the offices of Attorney General and Director of Public Prosecutions are held by the same person the following provisions of this Constitution shall have effect as if references therein to the Director included references to the Attorney General, that is to say, sections 87, 89(5), 89(6), 89(7), 89(8), 89(9), 89(10), 98(3) and 124(8)(a); but the provisions of this subsection shall be without prejudice to the powers of Parliament or, subject to the provisions of any law enacted by Parliament, the Governor General to determine that the office of Attorney General shall be the office of a Minister.