37.—(1) Any document purporting to be a document duly executed or issued by the chairman or the secretary on behalf of the Tribunal must, unless proved to the contrary, be deemed to be a document so executed or issued.
(2) A document purporting to be certified by the secretary to be a true copy of any entry of a decision in the register will, unless proved to the contrary, be sufficient evidence of the entry and of the matters referred to in it.