XV Company not to pay, nor Heir of Entail to receive, any Grassum, &c. for any Rights conveyed but annual Feu Duties, &c.
Provided always, That it shall not be lawful for such Company .to pay, nor for such Heir of Entail to receive or take, any Grassum, Fine, or Premium, or any Consideration in the Nature thereof, for the Lands or Rights or Interests to be so conveyed, other than the annual Feu Duties or Ground Annuals made payable by such Conveyance, and the Amount of such Feu Duties or Ground Annuals shall, in case of Difference, be ascertained and settled by Valuators in the Manner prescribed by the said Consolidation Act with respect to the Valuation of Lands sold by Agreement by Parties under legal Disability or Incapacity to convey.