(1)Any stop notice issued by an enforcement authority—
(a)must be served on any person carrying on, or in control of, the activity to which the notice relates, and
(b)if a marine licence has been granted in relation to that activity, may also be served on the licensee.
(2)An enforcement authority may by a further notice—
(a)revoke a stop notice;
(b)vary a stop notice so as to substitute a later date for the date specified in accordance with section 102(6)(b).
(3)A person who fails to comply with a stop notice commits an offence.
(4)A person guilty of an offence under subsection (3) is liable—
(a)on summary conviction, to a fine not exceeding £50,000;
(b)on conviction on indictment, to a fine or to imprisonment for a term not exceeding two years or to both.