Where, under section 53B of the previous Act, the Board, at any time during the transitional period, suspended a pension that, at that time, was payable to a member of the scheme, by reason that the person failed to comply with a notice given to him under section 53B of the previous Act, the suspension has effect, and shall be deemed to have had effect, for the purposes of this Act as if any invalidity pay to which the person is entitled under this Act had been suspended at that time by the Authority under section 35 of this Act, and the notice given by the Board shall, for the purposes of section 35 of this Act, be deemed to have been a notice given by the Authority under that section.