16.—(1) Regulation 21 shall be amended as follows.
(2) In paragraph (3) after the words “Secretary of State” there shall be inserted the words “or the Board”.
(3) In paragraph (4)—
(a)after the words “the Secretary of State” there shall be inserted the words “or the Board”;
(b)in sub-paragraph (a) after the words “certifies in writing that he is” there shall be inserted the words “, or certify in writing that they are,”;
(c)in sub-paragraph (b) after the word “considers” there shall be inserted the words “, or consider,”: