The expenditure which qualifies for know-how allowances is called qualifying expenditure. Capital expenditure incurred by a person on the acquisition of know-how is qualifying expenditure if one of the following conditions is satisfied.
Expenditure on know-how acquired in a control transaction is not
qualifying expenditure and so know-how acquired in a control
transaction does not qualify for capital allowances. A control
transaction is one where the seller controls the buyer or the buyer
controls the seller or some other person controls both the buyer
and the seller.
Expenditure is not qualifying expenditure if it is already
deductible for tax purposes.