Regulation 5
For the purposes of these Regulations, the Secretary of State shall be entitled to rely upon a certificate given by an authority or persons employing a teacher during any period beginning on or after 1st April 1979 and ending before 1st September or, as the case may be, 1st October 1980 as to whether or not he is a teacher to whom Regulation 3 applies by virtue of paragraph (1)(c) thereof or a teacher to whom Regulation 4 applies and as to the remuneration which he would have received on the hypotheses set out in Regulation 3 or, as the case may be, Regulation 4.