23(1)Except in so far as any enactment (including an enactment contained in a statutory instrument) provides otherwise, a document—
(a)is signed by either body if it is signed on its behalf by a member or by the secretary or by a person authorised to sign the document on behalf of the body in question; and
(b)is subscribed by either body if it is subscribed on its behalf by being signed in accordance with the provisions of head (a) above at the end of the last page of the document.
(2)A document shall be presumed, unless the contrary is shown, to have been subscribed in accordance with sub-paragraph (1) above if—
(a)it bears to have been subscribed on behalf of the body in question by a member or by the secretary or by a person bearing to have been authorised to subscribe the document on behalf of that body; and
(b)it bears to have been signed by a person as a witness of the subscription of the member, secretary or other person subscribing on behalf of the body in question or (if the subscription is not so witnessed) to have been sealed with the common seal of that body.