(1)Any person who—
(a)wilfully obstructs an officer of an enforcement authority acting in pursuance of this Act ; or
(b)wilfully fails to comply with any requirement properly made to him by such an officer under section 162; or
(c)without reasonable cause fails to give such an officer (so acting) other assistance or information he may reasonably require in performing his functions under this Act,
commits an offence.
(2)If any person, in giving such information as is mentioned in subsection (1)(c), makes any statement which he knows to be false, he commits an offence.
(3)Nothing in this section requires a person to answer any question or give any information if to do so might incriminate that person or (where that person is married) the husband or wife of that person.