The provisions of section 326 shall apply to foreign ships while they are in Saint Lucian waters as they apply to Saint Lucian ships, subject to the following—
(a) a load line convention ship shall not be detained, and proceedings shall not be taken against the owner or master thereof, by virtue of that section, except after an inspection by a Surveyor of Ships as provided for in this Part;
(b) the expression “the appropriate load line” means
(i) in the case where a valid Load Line Convention Certificate in respect of the ship is produced, the load line appearing by the certificate to indicate the maximum depth to which the ship is permitted under the Load Line Convention to be loaded,
(ii) in the case where a valid Load Line Convention Certificate is not so produced, the load line which corresponds with the load line indicating the maximum depth to which the ship is permitted in accordance with the load line regulations to be loaded.