The Stamp Duty chargeable on Writs of Confirmation, Writs of Resignation, Writs of Clare constat, and Writs of Investiture, granted or to be granted in virtue of this Act, except Crown Writs, and on Writs of Acknowledgment under " The Registration of Leases (Scotland) Act," shall be the same, as that chargeable on Charters of Confirmation, Charters of Resignation, and Precepts of Clare constat by Subject Superiors, and the said Duty may be paid by means of adhesive Stamps to be provided for that Purpose by the Commissioners of Inland Revenue, who may from Time to Time make such Rules as may seem fit for regulating the Use of such Stamps, and for insuring the proper Cancellation thereof.