6Powers of police officers in relation to a prohibited place
(1)A constable may order—
(a)a person not to engage, or to cease to engage, in conduct mentioned in section 4(1)(a) (whether in person or by electronic or remote means) in relation to a prohibited place;
(b)a person who has accessed or entered a prohibited place (whether in person or by electronic or remote means) to leave it immediately;
(c)a person in an area adjacent to a prohibited place to leave the area immediately;
(d)the driver or person in charge of a vehicle or device (whether in person or by electronic or remote means) in a prohibited place, or in an area adjacent to a prohibited place, to move the vehicle or device from the place or area immediately.
(2)A constable may arrange for—
(a)the removal of a vehicle or device from a prohibited place or an area adjacent to a prohibited place;
(b)the movement of a vehicle or device within a prohibited place or an area adjacent to a prohibited place.
(3)A constable may not exercise a power under subsection (1) or (2) unless the constable reasonably believes that exercising the power is necessary to protect the safety or interests of the United Kingdom.
(4)A person commits an offence if the person fails to comply with an order imposed under subsection (1).
(5)A person who commits an offence under this section is liable on summary conviction to imprisonment for a term not exceeding 3 months or a fine not exceeding level 4 on the standard scale (or both).