In section 3 of the 1894 Act (exemptions from registry), in paragraph (1) (exemption for ships not exceeding fifteen tons burden employed in coastal navigation) for the words " not exceeding fifteen tons burden " there are substituted the words " less than 13-7 metres in length " ; and at the end of that section there are inserted the following words—

“For the purposes of this section, the length of a ship is her length determined in accordance with regulations under section 1 of the Merchant Shipping Act 1983.”