A local weights and measures authority may institute proceedings for an offence under section 14 if the activity which it is alleged that the accused was not entitled to carry on constitutes reserved instrument activities.
In this section—
"relevant offence" means an offence in relation to which proceedings may be instituted by virtue of subsection (1) or (2);
"weights and measures officer" means an officer of a local weights and measures authority who is authorised by the authority to exercise the powers conferred by subsection (4).
A weights and measures officer who has reasonable cause to suspect that a relevant offence may have been committed may, at any reasonable time—
Any person exercising a power given by subsection (4) must, if asked to do so, produce evidence that that person is a weights and measures officer.
A justice of the peace may issue a warrant under this section if satisfied, on information on oath given by a weights and measures officer, that there is reasonable cause to believe that a relevant offence may have been committed and that—
A warrant issued under this section must authorise the weights and measures officer accompanied, where that officer considers it appropriate, by a constable or other person—
It is an offence for a person ("P")—
A person who is guilty of an offence under subsection (8) is liable on summary conviction to a fine not exceeding level 3 on the standard scale.
Nothing in this section is to be taken to require any person to answer any question put to that person by a weights and measures officer, or to give any information to such an officer, if to do so might incriminate that person.