Tool C - Timeline for legislative changes

Date Legislative change
01/04/00 SME scheme introduced. Minimum spend in an accounting period set at £25,000 per annum. For accounting periods straddling 1 April 2000, it only applied to expenditure on or after that date CIRD90000.
28/07/00 DTI guidelines on the meaning of R&D issued CIRD81990.
01/04/02 Large company scheme introduced. Minimum spend in an accounting period set at £25,000 per annum CIRD81600.
01/04/02 SMEs able to claim under the large company scheme for qualifying expenditure where they act as subcontractor to a large or overseas company or a non-taxpaying body and are unable to claim under SME scheme in respect of expenditure incurred on or after this date CIRD89500.
06/04/03 Income Tax Earnings and Pensions Act 2003 (ITEPA) changed the definition of staffing costs incurred in accounting periods ending on or after this date to include certain benefits CIRD83200.
09/04/03 For accounting periods beginning on or after this date, SMEs able to claim under the large company scheme where they were barred from a claim under the SME scheme only by reason of being in receipt of subsidised expenditure CIRD89000.
09/04/03 For accounting periods beginning on or after this date the minimum spend in an accounting period for the large company scheme was set at £10,000 CIRD81600.
09/04/03 Expenditure incurred on or after this date on the provision of externally provided workers becomes qualifying expenditure under the large company scheme CIRD84000.
09/04/03 For expenditure on staffing costs incurred on or after this date there is no 80:20 arrangement under the large company scheme CIRD83800.
27/09/03 For accounting periods beginning on or after this date minimum spend for SMEs set at £10,000 CIRD81600.
27/09/03 Expenditure incurred on or after this date by SMEs on externally provided workers became qualifying expenditure CIRD84000.
27/09/03 For expenditure on staffing costs incurred on or after this date there is no 80:20 arrangement under the SME scheme CIRD83800.
05/03/04 New guidelines on meaning of R&D issued. Brought into force by SI2004/712 for accounting periods ending on or after 1 April 2004, although they can also be applied to earlier periods as the revision is intended to be a clarification rather than a change CIRD81900.
01/04/04 ITEPA change to staffing costs, which allowed expenditure on certain benefits to be claimed, is reversed CIRD83250.
01/04/04 Consumable items (including power, water and fuel) and computer software introduced as, and consumable stores ceased to be, categories of qualifying expenditure for expenditure on or after this date for both the SME and the large company schemes CIRD82450, CIRD82300 and CIRD82500.
01/01/05 New EU definition of SME effective for accounting periods ending on or after this date CIRD91500.
01/01/05 Changes to the timing of the relief where expenditure incurred in accounting periods beginning on or after this date is not written off immediately to the profit and loss account but is included on the balance sheet in the cost of an intangible asset CIRD98500.