(2) Any person who conceals, removes, alters, defaces or obliterates or permits any person under his or her control to conceal, remove, alter, deface or obliterate any mark placed on the ship in accordance with this Part, except with the authority of a person entitled under the load line regulations to authorise the alteration of the mark, commits an offence and is liable on summary conviction to a fine not exceeding $20,000.