26(1)The application of the seal of the IPSA is to be authenticated by the signature of any member of the IPSA, or of its staff, who has been authorised (whether generally or specifically) by the IPSA for the purpose.E+W+N.I.
(2)A document purporting to be duly executed under the seal of the IPSA or signed on its behalf—
(a)is to be received in evidence, and
(b)is to be taken to be executed or signed in that way, unless the contrary is proved.
(3)This paragraph does not extend to Scotland.