5(1)The production of a printed copy of regulations purporting to be made by the Authority under paragraph 1 on which is endorsed a certificate signed by an officer of the Authority authorised by it for that purpose and stating—
(a)that the regulations were made by the Authority,
(b)that the copy is a true copy of the regulations, and
(c)that on a specified date the regulations were made available to the public as required by paragraph 4,
shall be prima facie evidence or, in Scotland, sufficient evidence of the facts stated in the certificate.
(2)Any certificate purporting to be signed as mentioned in sub-paragraph (1) shall be deemed to have been duly signed unless the contrary is shown.
(3)Any person wishing in any legal proceedings to cite regulations under paragraph 1 may require the Authority to cause a copy of them to be endorsed with such a certificate as is mentioned in this paragraph.