XXVIBut not to attach, unless the Duty paid be less than the Duty payable on the full Consideration.

Provided always, and be it further enacted, That no Party, Attorney, Solicitor, Writer to the Signet, or other Person whosoever, shall be liable to any Penalty, Disability, or Forfeiture whatsoever, by reason of the full Purchase or Consideration Money not being truly expressed and set forth in or upon any such Deed, Bond, or other Instrument as aforesaid, unless the Duty or Duties actually paid for the same shall be less than would have been payable for the same in case the full Purchase or Consideration Money had been truly expressed and set forth according to the Directions of this Act.