Subject to subsection (1B) of this section, the Secretary of State may by order amend the times specified in subsection (1)(a) of this section.
An order under subsection (1A) of this section shall not amend the times so as to permit the operation of a loudspeaker in a street at any time between the hours of nine in the evening and eight in the following morning.
Subsection (1) of this section shall not apply to the operation of a loudspeaker—
(a) for police, fire and rescue authority or ambulance purposes or for purposes relating to the functions of Ministry of Defence fire-fighters (as defined in section 16 of the Armed Forces Act 2016), by the Environment Agency, the Natural Resources Body for Wales, a water undertaker or a sewerage undertaker in the exercise of any of its functions, or by a local authority within its area;
(b) for communicating with persons on a vessel for the purpose of directing the movement of that or any other vessel;
(c) if the loudspeaker forms part of a public telephone system;
(d) if the loudspeaker—
(i) is in or fixed to a vehicle, and
(ii) is operated solely for the entertainment of or for communicating with the driver or a passenger of the vehicle or, where the loudspeaker is or forms part of the horn or similar warning instrument of the vehicle, solely for giving warning to other traffic, and
(iii) is so operated as not to give reasonable cause for annoyance to persons in the vicinity;
(e) otherwise than on a highway , by persons employed in connection with a transport undertaking used by the public in a case where the loudspeaker is operated solely for making announcements to passengers or prospective passengers or to other persons so employed;
(f) by a travelling showman on land which is being used for the purposes of a pleasure fair;
(g) in case of emergency.
Subsection (1)(b) of this section shall not apply to the operation of a loudspeaker between the hours of noon and seven in the evening on the same day if the loudspeaker—
(a) is fixed to a vehicle which is being used for the conveyance of a perishable commodity for human consumption; and
(b) is operated solely for informing members of the public (otherwise than by means of words) that the commodity is on sale from the vehicle; and
(c) is so operated as not to give reasonable cause for annoyance to persons in the vicinity.
Subsection (1) of this section shall not apply to the operation of a loudspeaker in accordance with a consent granted by a local authority under Schedule 2 to the Noise and Statutory Nuisance Act 1993.
An offence under this section in Scotland may be prosecuted in any court of summary jurisdiction within the meaning of the Summary Jurisdiction (Scotland) Act 1954 having jurisdiction in the place where the offence was committed.