371.—(1) The tonnage of a fishing boat for the purpose of this part of this Act shall be taken to be in the case of a steam trawler her gross tonnage, but in any other case her register tonnage.
(2) Where a fishing boat is registered under Part I. of this Act, her gross or register tonnage as ascertained for the purpose of that registry shall be her gross or register tonnage for the purpose of this Part of this Act.
(3) Where a fishing boat is not so registered a certificate signed by a surveyor of ships under this Act stating her gross or register tonnage, ascertained as in the case of a ship registered under Part I. of this Act, shall be conclusive of that tonnage.
