95. Pooling of qualifying expenditure.

Qualifying expenditure1 has to be pooled for the purpose of determining a person's entitlement to writing-down allowances and balancing allowances and liability to balancing charges2. There are single-asset pools3, class pools4 and the main pool5.

An amount of qualifying expenditure is not to be allocated to a pool for a chargeable period6 if that amount has been taken into account in determining the person's allowable qualifying expenditure7 for an earlier chargeable period8.

Qualifying expenditure is not to be allocated to a pool for a chargeable period before that in which it is incurred9. Nor is qualifying expenditure to be allocated to