(1)A person who, without reasonable excuse, obstructs an officer of an enforcement authority who is acting in pursuance of duties imposed by virtue of this Chapter is guilty of an offence.
(2)A person who, not being an authorised officer of an enforcement authority, purports to act as such in pursuance of section 284 or 285 is guilty of an offence.
(3)A person guilty of an offence under this section is liable on summary conviction to a fine not exceeding level 5 on the standard scale.