A notice served by post pursuant to section 233 of the Local Government Act 1972 shall be sent in a prepaid letter by the recorded delivery service.

A document purporting to be a copy of a notice signed by the proper officer of a local authority, and bearing a certificate purporting to be signed by the proper officer as to the date when and the person upon whom the notice was served, shall be evidence that a notice in the terms of the copy was duly authorised to be given by the local authority and was served in accordance with the facts stated in the certificate.

In this regulation “proper officer” means an officer appointed by a local authority for the purposes of Part IV of the Control of Pollution Act 1974 and includes any person authorised to act in that behalf by an officer so appointed.