(1)An emergency safety notice issued by an enforcement authority must be served on each of the following—
(a)if a marine licence has been granted authorising the carrying out of the works, the licensee,
(b)if there is in effect a stop notice which relates to the works, any person on whom the stop notice was served.
(2)An enforcement authority may by a further notice—
(a)revoke an emergency safety notice;
(b)vary an emergency safety notice so as to substitute a later date for the date specified in accordance with section 104(5)(b).
(3)A person who fails to comply with an emergency safety 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.