7.—(1) Where there are clear grounds for a more detailed inspection of a ship belonging to the categories listed in Annex V of M. 1639, an expanded inspection shall be carried out taking into account the guidelines in Annex V, section B of M. 1639.
(2) A ship referred to in paragraph (1) above shall be subject to an expanded inspection by any of the competent authorities of the member States only once during a period of 12 months. However, the ship may be subject to the inspection provided for in regulation 6(1) and (2).
(3) Subject to paragraph (2) above, in the case of a passenger ship operating on a regular schedule in or out of a port in the United Kingdom, an expanded inspection of the ship shall be carried out before the ship starts operating on the schedule and every 12 months thereafter by the Marine Safety Agency subject to consultation with the competent authority of a member State, if the ship operates to ports in that member State.