This Practice Note sets out what constitutes qualifying capital expenditure for the purposes of R&D allowances and how the deduction (of up to 100%) may be claimed. Research and development (R&D) capital allowances are available to all taxpayers carrying on a trade, not just companies. Therefore, an individual, or partnership of individuals, which cannot claim R&D tax relief, can generally still claim R&D capital allowances, although R&D capital allowances are not available to taxpayers that calculate their profits on the cash basis (subject to an exception for expenditure on the provision of a car). Where an item of expenditure could qualify for other capital allowances (such as plant and machinery allowances), the trader needs to choose which allowance to take. Only one form of capital allowances may be claimed on an item of capital expenditure. In addition, it is not possible to claim R&D capital allowances in relation to the same expenditure for more than one trade. Following the Finance Act 2014, R&D allowances are no longer affected by any restrictions imposed on a company under Part