5Where a complaint such as is mentioned in section 15(1) or 16(1) of the 1968 Act could have been, but was not, made before the repeal date in respect of an act done before that date, the relevant provisions of the 1968 Act (within the meaning of paragraph 4) shall, notwithstanding their repeal, continue to apply in relation to that act and any such complaint made in respect of it, but as if anything falling to be done in that connection by or in relation to the Board or a conciliation committee fell to be done as mentioned in paragraph 4(1).