11.—(1) The Safety Authority may revoke an authorisation before a structural subsystem is put into use if it is satisfied that the conditions of that authorisation are no longer met and that there is a significant safety risk arising as a result.
(2) Before revoking an authorisation the Safety Authority must give notice in writing to the person to whom the authorisation was issued (“the holder”) that—
(a)it is considering revoking that authorisation and the reasons why; and
(b)within a period specified in the notice, which must be not less than 28 days from the date of the notice, the holder may make representations in writing to the Safety Authority or, if the holder so requests, may make oral representations to the Safety Authority.
(3) The Safety Authority must not revoke the authorisation unless the Safety Authority has considered the representations (if any) from the holder made during the period specified in the notice.
(4) Where the Safety Authority revokes an authorisation, it must give notice in writing of the revocation to the holder and include reasons for the revocation in the notice.