(1)A person commits an offence if he—
(a)fails to stop a vehicle when required to do so by a constable in the exercise of the power conferred by an authorisation under section 44(1);
(b)fails to stop when required to do so by a constable in the exercise of the power conferred by an authorisation under section 44(2);
(c)wilfully obstructs a constable in the exercise of the power conferred by an authorisation under section 44(1) or (2).
(2)A person guilty of an offence under this section shall be liable on summary conviction to—
(a)imprisonment for a term not exceeding six months,
(b)a fine not exceeding level 5 on the standard scale, or
(c)both.