12U.K.The fixing of the seal of the Authority shall be authenticated by the signature of the chairman or deputy chairman of the Authority or some other member of the Authority authorised by the Authority to act for that purpose.
13U.K.A document purporting to be duly executed under the seal of the Authority, or to be signed on the Authority’s behalf, shall be received in evidence and shall be deemed to be so executed or signed unless the contrary is proved.