s 144 Penalties for contravention of stop notice.
(1) If any person contravenes a stop notice after a site notice has been displayed or the stop notice has been served on him he shall be guilty of an offence. (2) An offence under this section may be charged by reference to any day or longer period of time and a person may be convicted of a second or subsequent offence under this section by reference to any period of time following the preceding conviction for such an offence. (3) It shall be a defence in any proceedings under subsection (1) that— (a) the stop notice was not served on the accused, and (b) he had no reasonable cause to believe that the activity was prohibited by the stop notice. (4) References in this section to contravening a stop notice include causing or permitting its contravention. (5) A person guilty of an offence under this section shall be liable— (a) on summary conviction, to a fine not exceeding £50,000, and (b) on conviction on indictment, to a fine. (6) In determining the amount of any fine to be imposed on a person convicted of an offence under this section, the court shall in particular have regard to any financial benefit which has accrued or appears likely to accrue to him in consequence of the offence.