Any notice, order or other document which a local authority are authorised or required by or under any enactment (including any enactment in this Act) to give, make or issue may be signed on behalf of the authority by the proper officer of the authority.

Any document purporting to bear the signature of the proper officer of the authority shall be deemed, until the contrary is proved, to have been duly given, made or issued by the authority of the local authority.

In this subsection the word “signature” includes a facsimile of a signature by whatever process reproduced.

Where any enactment or instrument made under an enactment makes, in relation to any document or class of documents, provision with respect to the matters dealt with by one of the two foregoing subsections, that subsection shall not apply in relation to that document or class of documents.

In this section “local authority” includes a joint authority F2and a police authority established under F3section 3 of the Police Act 1996F4and the Metropolitan Police AuthorityF5and the Service Authority for the National Crime Squad . . . F6.