3 Validity and evidence of Unifying Declaration
(1) The declaration by the person presiding over the Unifying Assembly at that Assembly that the Unifying Declaration has been passed in accordance with the Proposals for Unification shall be final and conclusive as to that fact and as to the satisfaction of all preliminary procedures and conditions defined and declared in the Proposals for Unification and the date, validity and effectiveness of the Unifying Declaration shall not thereafter be questioned on any ground in any court or proceeding whatsoever.
(2) (a) The person presiding over the Unifying Assembly forthwith after the passage of the Unifying Declaration shall certify his declaration of that event and the date thereof and shall send the certificate together with a copy of the Proposals for Unification to the Keeper of the Registers of Scotland for registration in the Books of Council and Session.
(b) A copy of the certificate referred to in the preceding paragraph or of the Proposals for Unification authenticated either by the Assembly Moderator or by the clerk shall be admissible in all courts and proceedings as evidence respectively of the matters certified and of the contents of the Proposals for Unification; and a document purporting to be such a copy shall be received without proof of the position or handwriting of the person authenticating it.