15(1)This paragraph shall have effect as regards the execution of documents in Scotland.
(2)For any purpose other than those mentioned in sub-paragraph (3) below, a document is validly executed by the Commission if it is signed on its behalf by the chairman or deputy chairman or by a person authorised to sign the document on its behalf.
(3)For the purposes of any enactment or rule of law relating to the authentication of documents, a document is validly executed by the Commission if it is subscribed on its behalf by being executed in accordance with the provisions of sub-paragraph (2) above.
(4)A document which bears to have been executed by the Commission in accordance with sub-paragraph (3) above shall, in relation to such execution, be a probative document if—
(a)the subscription of the document bears to have been attested by at least one witness; or
(b)the document bears to be sealed with the seal of the Commission.