7.—(1) The consignor and carrier must provide to the GB competent authority, within such reasonable period as the GB competent authority may specify, such documents relating to the emergency arrangements as may have been requested by the GB competent authority.
(2) To the extent required by a notice in writing served on the consignor or carrier by the GB competent authority, the consignor or carrier must test, rehearse and revise the emergency arrangements.