Allowances and charges

Allocation of qualifying expenditure to pools

Amount of

Available qualifying expenditure

Determination of entitlement or liability

Disposal value of patent rights

Limit on amount of disposal value

Pooling of expenditure

Unrelieved qualifying expenditure

Anti-avoidance, limit on qualifying expenditure

Availability

Balancing allowances and charges

Amount of

Determination of entitlement or liability

Pooling of expenditure

Calculation of allowances and charges

Allowable qualifying expenditure

Balancing allowances and charges

Generally

Total disposal receipts

Writing-down allowances

Finance leases and loans, expenditure taken into account

Future patent rights

Generally

Giving effect to allowances and charges

Generally

Persons having qualifying non-trade expenditure

Persons having qualifying trade expenditure

Income from patents, meaning

Licences

Patent rights, meaning

Qualifying expenditure

Generally

Meaning

Pre-1 April 1986

Qualifying non-trade expenditure, meaning

Qualifying trade expenditure, meaning

Sales between connected persons

Successions

Sums paid for Crown use etc. treated as paid under licence

Writing-down allowances

Amount of

Entitlement

Generally

Pooling of expenditure