Where a charge in respect of death duties is not registered as a land charge, a purchaser of a legal estate shall take free therefrom, unless the charge for duties attached before the commencement of this Act and the purchaser had notice of the facts giving rise to the charge.
Where a charge in respect of death duties is not registered as a land charge, the person who conveys a legal estate to a purchaser, and the proceeds of sale, funds, and other property (if any) derived from the conveyance and the income thereof shall (subject as in this Act provided) be or remain liable in respect of and stand charged with the payment of the death duties the charge for which is over-reached by the conveyance, together with any interest payable in respect of the same.
Except in the case of a conveyance to a purchaser, a conveyance shall take effect subject to any subsisting charge or liability for payment of the duties and interest, if any, notwithstanding that the charge for duties may not have been registered.
This section does not apply to registered land.