For section 70 (contributory pensions fund) of the Harwich Harbour Act 1974 substitute–
(70) Without prejudice to the powers conferred on the Board by section 69 (gratuities, etc. ) of this Act, the Board may establish, continue and maintain one or more pension funds which shall be regulated by such rules as are from time to time made by the Board or consented to by the Board in accordance with those rules, and shall from time to time contribute to any such fund, out of the revenues of the Board, such sums as the Board is required to contribute in accordance with those rules.