PART 2THE TAX AND KEY CONCEPTS
CHAPTER 4CHARGEABLE TRANSACTIONS AND CHARGEABLE CONSIDERATION
Chargeable consideration
I120Uncertain or unascertained consideration
1
Where the whole or part of the chargeable consideration for a transaction is uncertain or unascertained, its amount or value is to be determined for the purposes of this Act on the basis of a reasonable estimate.
2
In this Act, “"uncertain””, in relation to consideration, means that its amount or value depends on uncertain future events.