(1) In this section "trees" means woodlands managed on a commercial basis and with a view to the realisation of profits.
(2) This section applies to an instrument, being a conveyance or transfer on sale of land, or a lease of land, where trees are growing on a substantial part of such land.
(3) Stamp duty shall not be chargeable on any instrument to which this section applies, in respect of such part of the consideration for the sale or lease as represents the value of trees growing on the land.