27. Verification of rules
(1) The production of a printed copy of a rule-making instrument purporting to be made by the Board —
(a) on which is endorsed a certificate signed by a person duly authorised by the Board for that purpose; and
(b) which contains the required statements,
is evidence of the facts stated in the certificate.
(2) The required statements are —
(a) that the instrument was made by the Board;
(b) that the copy is a true copy of the instrument; and
(c) that on a specified date the instrument was made available to the public in accordance with section 26(4).
(3) A certificate purporting to be signed as mentioned in subsection (1) is to be taken to have been properly signed unless the contrary is shown.
(4) A person who wishes in any legal proceedings to rely on a rule-making instrument may require the Board to endorse a copy of the instrument with a certificate of the kind mentioned in subsection (1).