WhereasF1... the volumes of records of the Books of Council and Session are, along with the warrants thereof, periodically transmitted by the keeper of the register of deeds and probative writs and protests in the Books of Council and Session, to the Lord Clerk Register or his deputies; be it enacted, that the deputy keeper of the records or any officer holding a commission to that effect from the Lord Clerk Register may, at any time, issue extracts one or more of any writ, deed, or other document registered in said volumes of records transmitted as aforesaid, in the same or in a similar form to the extracts of such writs, deeds, or other documents which might have been issued previous to such transmission. And all such extracts and the warrants of execution therein contained shall have all the like force and effect as any extract from the Books of Council and Session, made and issued previous to such transmission, or as any warrant of execution contained in or appended to such extract; and in all extracts issued as aforesaid, and also in all extracts issued of writs contained in any record in the custody of the Lord Clerk Register, it shall be sufficient that the last page thereof shall be signed by the said deputy keeper of the records or by any officer duly commissioned by the Lord Clerk Register to that effect, and no further signature on any other page of such extracts shall be necessary, but each sheet of all such extracts shall F2bear an office seal or stamp F3... of the Lord Clerk Register; provided that it shall be necessary and sufficient in the case of marginal additions occurring in any such extract that the same shall be authenticated by the signature of the officer certifying such extract. C1C2