(1)In this Part references to the sale of property include the exchange of property.
(2)In this section—
references to property include know-how, and
references to the sale of property include the disposal of know-how.
(3)For the purposes of subsection (1), any provision of this Part referring to a sale has effect with the necessary modifications, including, in particular, those in subsections (4) and (5).
(4)References to the proceeds of sale and to the price include the consideration for the exchange.
(5)References to capital sums included in the proceeds of sale include references to so much of the consideration for the exchange as would have been a capital sum if it had been a money payment.