(1)The Secretary of State may give directions to any one or more harbour authorities requiring them—
(a)to not do anything they would otherwise be under a duty to do by reason of this Act, or
(b)to comply with any of their duties under this Act in a particular way.
(2)Directions under this section may be varied or revoked.
(3)The Secretary of State must publish any directions under this section in such manner as the Secretary of State thinks fit.
(4)A harbour authority which fails to comply with a direction given to it under this section or section 10(9) or (11) is guilty of an offence and liable on summary conviction—
(a)in England and Wales, to a fine, or
(b)in Scotland and Northern Ireland, to a fine not exceeding level 5 on the standard scale.