(1)In proceedings for an offence under section 4, evidence—
(a)of a measurement of noise made by a device, or of the circumstances in which it was made, or
(b)that a device was of a type approved for the purposes of section 6, or that any conditions subject to which the approval was given were satisfied,
may be given by the production of a document mentioned in subsection (2).
(2)The document referred to is one which is signed by an officer of the local authority and which (as the case may be)—
(a)gives particulars of the measurement or of the circumstances in which it was made, or
(b)states that the device was of such a type or that, to the best of the knowledge and belief of the person making the statement, all such conditions were satisfied;
and if the document contains evidence of a measurement of noise it may consist partly of a record of the measurement produced automatically by a device.
(3)In proceedings for an offence under section 4, evidence that noise, or noise of any kind, measured by a device at any time was noise emitted from a dwelling may be given by the production of a document—
(a)signed by an officer of the local authority, and
(b)stating that he had identified that dwelling as the source at that time of the noise or, as the case may be, the noise of that kind.
(4)For the purposes of this section, a document purporting to be signed as mentioned in subsection (2) or (3)(a) is to be treated as being so signed unless the contrary is proved.
(5)This section does not make a document admissible as evidence in proceedings for an offence unless a copy of it has, not less than seven days before the hearing or trial, been served on the person charged with the offence.
(6)This section does not make a document admissible as evidence of anything other than the matters shown on a record produced automatically by a device if, not less than three days before the hearing or trial or within such further time as the court may in special circumstances allow, the person charged with the offence serves a notice on the prosecutor requiring attendance at the hearing or trial of the person who signed the document.