5(1)The Director shall act only with the approval of the Secretary of State, given with the approval of the Treasury, in determining—
(a)the number of persons to be employed by him;
(b)the remuneration, allowances and gratuities to be paid to or in respect of such persons; and
(c)any other terms and conditions of their service.
(2)Anything authorised or required by or under any enactment to be done by the Director may be done by any person employed by him who has been authorised by the Director, whether generally or specially, for that purpose.
(3)Employment by the Director shall be included among the kinds of employment to which a scheme under section 1 of the [1972 c. 11.] Superannuation Act 1972 may apply; and, accordingly, in Schedule 1 to that Act (in which those kinds of employment are listed) at the end of the list of “Other Bodies” there shall be inserted— “Employment by the Traffic Director for London.
(4)The Director shall pay to the Treasury, at such times as the Treasury may direct, such sums as the Treasury may determine in respect of the increase in the sums payable out of money provided by Parliament under that Act attributable to sub-paragraph (3) above.
(5)Where an employee of the Director who is (by reference to that employment) a participant in a scheme under section 1 of that Act, becomes a holder of the office of Director, the Treasury may determine that his term of office shall be treated for the purposes of the scheme as employment by the Director (whether or not any benefits are payable to or in respect of him by virtue of paragraph 4(2) above).