Where a valid Load Line Certificate issued under this Part is produced in respect of the ship to which the certificate relates—
(a) the ship shall be deemed to have been surveyed in accordance with the load line regulations; and
(b) where lines are marked on the ship according in number and description to the deck line and load lines as are required by the load line regulations, and the positions of those lines so marked correspond to the positions of the deck line and load lines as specified in the certificate, the ship shall be deemed to be marked as required by those regulations.