16(1)The fixing of the common seal of the Commission must be authenticated by the signature of a person authorised for that purpose by the Commission (whether generally or specifically).
(2)A document purporting—
(a)to be duly executed under the seal of the Commission, or
(b)to be signed on its behalf,
is to be received in evidence and taken, without further proof, to be so executed or signed unless the contrary is proved.
(3)This paragraph does not apply in relation to Scotland.