It shall be lawful for any heir of entail who is or shall be in a position to sell, alienate, dispone, charge with debts or incumbrances, lease, feu, or excamb his entailed estate, in whole or in part, under the provisions of the said recited Act, to execute without the previous sanction of the Court a deed of conveyance or contract of excambion, or other deed for giving effect to such sale, disposition, charge, lease, feu, or excambion, and to produce such executed deed either along with an application to the Court for its sanction thereto, or at any time in the course of the proceedings under such application when he shall think fit or when such production shall be ordered by the Court; and on such application being presented, and such consents, if any, as are required by the said recited Act being obtained, containing express consent to and approval of such deed of conveyance or contract of excambion or other deed executed as aforesaid, and on the Court being satisfied that the procedure is regular, and in conformity with the provisions of the said recited Act and of this Act, the Court shall pronounce an interlocutor approving of such sale, disposition, charge, lease, feu, or excambion, as the case may be, and of the deed executed as aforesaid for carrying the same into effect; and thereupon such deed shall have the same force and effect in every respect as if the same had been made and executed at the sight of the Court, in terms of the said recited Act.