6(1)The fixing of the seal of the Commission shall be authenticated by the signature of the chairman or of some other member authorised generally or specially by the Commission to act for that purpose or, in the case of a seal adopted for use by a committee, by the signature of the chairman of the committee or of some other member of the committee authorised generally or specially by the committee to act for that purpose.
(2)Any contract or instrument which, if made or executed by a person not being a body corporate, would not be required to be under seal may be made or executed on behalf of the Commission by any person generally or specially authorised to act for that purpose by the Commission or a committee set up under paragraph 3 above.
(3)Any document purporting to be a document duly executed under the seal of the (Commission shall be received in evidence and shall, unless the contrary is proved, be deemed to be so executed.