18. Forthwith after receipt, the Executive shall send to the Secretary of State a copy in each case of—
(a)any notification received under regulation 8 or 9;
(b)any requirement for further information under regulation 10(1) and the response thereto; and
(c)any notification relating to an accident under regulation 14,
and if requested to do so by the Secretary of State shall require additional information under regulation 10(1).