(1)A direction requiring a person to cease doing a prohibited activity may include a direction that the person does not start doing that activity again after having ceased it.
(2)A direction requiring a person not to start doing a prohibited activity continues in force until—
(a)the end of such period beginning with the day on which the direction is given as may be specified by the constable or authorised officer giving the direction, or
(b)if no such period is specified, the end of the period of 90 days beginning with the day on which the direction is given.
(3)A period specified under subsection (2)(a) may not be longer than 90 days.
(4)A direction may be given to a person to cease operating, or not to start operating, any amplified noise equipment only if it appears to the constable or authorised officer giving the direction that the following condition is met.
(5)The condition is that the person is operating, or is about to operate, the equipment in such a manner as to produce sound that other persons in or in the vicinity of the controlled area of Parliament Square can hear or are likely to be able to hear.
(6)A direction—
(a)may be given orally,
(b)may be given to any person individually or to two or more persons together, and
(c)may be withdrawn or varied by the person who gave it.
(7)In this section—
“amplified noise equipment” has the meaning given by section 143(4);
“direction” means a direction given under section 143(1).