s 255K Failure to insure
(1) The master and operator of a ship are each guilty of an offence if— (a) the ship enters or leaves a port in contravention of section 255J, or (b) anyone attempts to navigate the ship into or out of a port in contravention of that section. (2) A person guilty of the offence is liable — (a) on summary conviction, to a fine not exceeding £50,000, or (b) on conviction on indictment, to a fine on summary conviction, or on conviction on indictment, to a fine .