And no letters patent, charter, or grant, to be made or granted by his Majesty, his heirs or successors, or by the barons of the Court of Exchequer in Scotland, at any time after the sixth day of June in the year of our Lord one thousand seven hundred and forty-seven, for the uniting or erecting any lands or tenements within Scotland into a barony, lordship, or earldom, or under any other denomination whatsoever, or for annexing any lands or tenements in Scotland to any barony, lordship, or earldom, or other district of the like nature, under any denomination whatsoever, heretofore granted or erected, shall be sufficient or available in law to pass, grant, or convey to the grantee or grantees therein named, or any other person or persons whatsoever, any greater or other jurisdiction than for recovering and uplifting from the vassals, tenant, or possessor of the lands and heretages of the proprietor of such barony, lordship, or earldom, the mails and duties or rents and profits thereof, or for recovery of the multures or services payable or prestable to their mills; and all letters patent, charters, gifts, and grants of any of the premisses, to be made contrary to the true intent and meaning of this Act, shall be and they are thereby enacted and declared to be null and void.