# Capital Allowances Act 2001, Section 335: Writing off research and development allowances


(1) If an allowance under Part 6 (research and development allowances) is made in respect of the qualifying expenditure, the amount of the allowance is written off at the end of the chargeable period for which the allowance is made.
(2) If a balancing event occurs at the end of the chargeable period referred to in subsection (1), the amount written off under that subsection is to be taken into account in calculating the residue of qualifying expenditure immediately before that event to determine what balancing adjustment (if any) is to be made.

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Source: https://www.legislation.gov.uk/ukpga/2001/2/section/335 (the official version)
Page: https://openlegislation.uk/capital-allowances-act-2001/section-335
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.