Search Legislation

Corporation Tax Act 2010

 Help about what version

What Version

  • Latest available (Revised)
  • Original (As enacted)
 Help about advanced features

Advanced Features

Changes over time for: Cross Heading: R&D fraction

 Help about opening options

Changes to legislation:

Corporation Tax Act 2010, Cross Heading: R&D fraction is up to date with all changes known to be in force on or before 16 December 2024. There are changes that may be brought into force at a future date. Changes that have been made appear in the content and are referenced with annotations. Help about Changes to Legislation

Close

Changes to Legislation

Revised legislation carried on this site may not be fully up to date. Changes and effects are recorded by our editorial team in lists which can be found in the ‘Changes to Legislation’ area. Where those effects have yet to be applied to the text of the legislation by the editorial team they are also listed alongside the legislation in the affected provisions. Use the ‘more’ link to open the changes and effects relevant to the provision you are viewing.

View outstanding changes

Changes and effects yet to be applied to Part 8A Chapter 2A Crossheading Rd-fraction:

Changes and effects yet to be applied to the whole Act associated Parts and Chapters:

Whole provisions yet to be inserted into this Act (including any effects on those provisions):

[F1[F2R&D fractionU.K.

Textual Amendments

F1Pt. 8A inserted (with effect in accordance with Sch. 2 paras. 7, 8 of the amending Act) by Finance Act 2012 (c. 14), Sch. 2 para. 1(1)

F2Pt. 8A Chs. 2A, 2B inserted (with effect in accordance with s. 64(7) of the amending Act) by Finance Act 2016 (c. 24), s. 64(3)

357BLIntroductionU.K.

(1)Sections 357BLA to 357BLH apply for the purpose of determining the R&D fraction for a relevant IP income sub-stream established at Step 2 in section 357BF(2) in determining the relevant IP profits of a trade of a company for an accounting period.

(2)In sections 357BLA to 357BLH, references to “the sub-stream”, “the trade”, “the company” and “the accounting period” are to the relevant IP income sub-stream, the trade, the company and the accounting period referred to in subsection (1).

357BLAThe R&D fractionU.K.

(1)The R&D fraction for the sub-stream is the lesser of 1 and—

where—

D is the company's qualifying expenditure on relevant R&D undertaken in-house (see section 357BLB),

S1 is the company's qualifying expenditure on relevant R&D sub-contracted to unconnected persons (see section 357BLC),

S2 is the company's qualifying expenditure on relevant R&D sub-contracted to connected persons (see section 357BLD), and

A is the company's qualifying expenditure on the acquisition of relevant qualifying IP rights (see section 357BLE).

(2)This section is subject to section 357BLH (R&D fraction: increase for exceptional circumstances).

357BLBQualifying expenditure on relevant R&D undertaken in-houseU.K.

(1)In section 357BLA, the company's “qualifying expenditure on relevant R&D undertaken in-house” means the expenditure incurred by the company during the relevant period which meets conditions A and B.

(2)Condition A is that the expenditure is—

(a)incurred on staffing costs,

(b)incurred on software [F3, data licences, cloud computing services] or consumable items,

(c)qualifying expenditure on externally provided workers, or

(d)incurred on relevant payments to the subjects of clinical trials.

(3)Condition B is that the expenditure is attributable to relevant research and development undertaken by the company itself.

(4)If an election made by the company under section 18A of CTA 2009 (election for exemption for profits or losses of company's foreign permanent establishments) applies to the relevant period, expenditure incurred by the company during the period which meets conditions A and B—

(a)is not “qualifying expenditure on relevant R&D undertaken in-house”, but

(b)is “qualifying expenditure on relevant R&D sub-contracted to connected persons”,

so far as it is expenditure brought into account in calculating a relevant profits amount, or a relevant losses amount, aggregated at section 18A(4)(a) or (b) of CTA 2009 in calculating the company's foreign permanent establishments amount for the period.

(5)In this section and sections 357BLC and 357BLD, “relevant research and development” means research and development (within the meaning of section 1138) which—

(a)in a case where the sub-stream is an individual IP right sub-stream, relates to the qualifying IP right to which the income in the sub-stream is attributable,

(b)in a case where the sub-stream is a product sub-stream, relates to a qualifying IP right granted in respect of any item—

(i)to which income in the sub-stream is attributable, or

(ii)which is incorporated in an item to which income in the sub-stream is attributable, or

(c)in a case where the sub-stream is a process sub-stream, relates to a qualifying IP right granted in respect of any process—

(i)to which income in the sub-stream is attributable, or

(ii)which is incorporated in a process to which income in the sub-stream is attributable.

(6)Research and development “relates” to a qualifying IP right for the purposes of subsection (5) if—

(a)it creates, or contributes to the creation of, the invention,

(b)it is undertaken for the purpose of developing the invention,

(c)it is undertaken for the purpose of developing ways in which the invention may be used or applied, or

(d)it is undertaken for the purpose of developing any item or process incorporating the invention.

(7)The following provisions of CTA 2009 apply for the purposes of this section—

(a)section 1123 (meaning of “staffing costs”),

(b)section 1124 (when staffing costs are attributable to relevant research and development),

(c)section 1125 (meaning of “software [F4, data licences, cloud computing services] or consumable items”),

(d)sections 1126 to 1126B (when software [F5, data licences, cloud computing services] or consumable items are attributable to relevant research and development),

(e)sections 1127 to 1131 (meaning of “qualifying expenditure on externally provided workers”), [F6as those provisions had effect before the amendments made by paragraph 9 of Schedule 1 to FA 2024,]

(f)section 1132 (when qualifying expenditure on externally provided workers is attributable to relevant research and development), and

(g)section 1140 (meaning of “relevant payments to the subjects of clinical trials”),

and in the application of those provisions for the purposes of this section any reference to “relevant research and development” is to be read as a reference to relevant research and development within the meaning given by subsection (5).

Textual Amendments

F3Words in s. 357BLB(2)(b) inserted (with effect in relation to accounting periods beginning on or after 1.4.2023) by Finance (No. 2) Act 2023 (c. 30), Sch. 1 para. 9(a), 20

F4Words in s. 357BLB(7)(c) inserted (with effect in relation to accounting periods beginning on or after 1.4.2023) by Finance (No. 2) Act 2023 (c. 30), Sch. 1 para. 9(b)(i), 20

F5Words in s. 357BLB(7)(d) inserted (with effect in relation to accounting periods beginning on or after 1.4.2023) by Finance (No. 2) Act 2023 (c. 30), Sch. 1 para. 9(b)(ii), 20

F6Words in s. 357BLB(7)(e) inserted (1.4.2024 with effect in relation to accounting periods beginning on or after that date of the commencing S.I.) by Finance Act 2024 (c. 3), Sch. 1 paras. 13(3)(b), 16; S.I. 2024/286, reg. 2

357BLCQualifying expenditure on relevant R&D sub-contracted to unconnected personsU.K.

(1)In section 357BLA, the company's “qualifying expenditure on relevant R&D sub-contracted to unconnected persons” means the expenditure incurred by the company during the relevant period in making payments within subsection (2).

(2)A payment is within this subsection if—

(a)it is made to a person in respect of relevant research and development contracted out by the company to the person, and

(b)the company and the person are not connected (within the meaning given by section 1122).

(3)If an election made by the company under section 18A of CTA 2009 (election for exemption for profits or losses of company's foreign permanent establishments) applies to the relevant period, expenditure incurred by the company during the period in making payments within subsection (2)—

(a)is not “qualifying expenditure on relevant R&D sub-contracted to unconnected persons”, but

(b)is “qualifying expenditure on relevant R&D sub-contracted to connected persons”,

so far as it is expenditure brought into account in calculating a relevant profits amount, or a relevant losses amount, aggregated at section 18A(4)(a) or (b) of CTA 2009 in calculating the company's foreign permanent establishments amount for the period.

(4)Where a payment is made to a person in respect of relevant research and development contracted out to the person and in respect of other matters, so much of the payment as is properly attributable to other matters is to be disregarded for the purposes of this section.

357BLDQualifying expenditure on relevant R&D sub-contracted to connected personsU.K.

(1)In section 357BLA, the company's “qualifying expenditure on relevant R&D sub-contracted to connected persons” means the total of—

(a)any expenditure which is “qualifying expenditure on relevant R&D sub-contracted to connected persons” as a result of section 357BLB(4) or 357BLC(3) (certain expenditure attributed to company's foreign permanent establishments), and

(b)the expenditure incurred by the company during the relevant period in making payments within subsection (2).

(2)A payment is within this subsection if—

(a)it is made to a person in respect of relevant research and development contracted out by the company to the person, and

(b)the company and the person are connected (within the meaning given by section 1122).

(3)Where a payment is made to a person in respect of relevant research and development contracted out to the person and in respect of other matters, so much of the payment as is properly attributable to other matters is to be disregarded for the purposes of this section.

357BLEQualifying expenditure on acquisition of relevant qualifying IP rightsU.K.

(1)In section 357BLA, the company's “qualifying expenditure on the acquisition of relevant qualifying IP rights” means the expenditure incurred by the company in making during the relevant period payments within any of subsections (2), (3) and (4).

(2)A payment is within this subsection if it is made to a person in respect of the assignment by that person to the company of a relevant qualifying IP right.

(3)A payment is within this subsection if it is made to a person in respect of the grant or transfer by that person to the company of an exclusive licence in respect of a relevant qualifying IP right.

(4)A payment is within this subsection if—

(a)it is made to a person in respect of the disclosure by that person to the company of any item or process, and

(b)the company applies for and is granted a relevant qualifying IP right in respect of that item or process (or any item or process derived from it).

(5)Where the company has incurred expenditure in making a series of payments to a person in respect of a single assignment, grant, transfer or disclosure, each of the payments in the series is to be treated for the purposes of this section as having been made on the date on which the first payment in the series was made.

(6)Relevant qualifying IP right” means—

(a)in a case where the sub-stream is an individual IP right sub-stream, the qualifying IP right to which the income in the sub-stream is attributable,

(b)in a case where the sub-stream is a product sub-stream, a qualifying IP right granted in respect of an item—

(i)to which income in the sub-stream is attributable, or

(ii)which is incorporated in an item to which income in the sub-stream is attributable, or

(c)in a case where the sub-stream is a process sub-stream, a qualifying IP right granted in respect of a process—

(i)to which income in the sub-stream is attributable, or

(ii)which is incorporated in a process to which income in the sub-stream is attributable.

[F7357BLEACases where the company is a party to a CSAU.K.

(1)Subsection (2) applies if during the relevant period—

(a)the company is a party to a cost-sharing arrangement (see section 357GC),

(b)the company incurs expenditure in making payments under the arrangement that are within section 357BLC(2) by reason of section 357GCZC, and

(c)persons who are not connected with the company make payments under the arrangement to the company in respect of relevant research and development undertaken or contracted out by the company.

(2)So much of the expenditure referred to in paragraph (b) of subsection (1) as is equal to the amount of the payments referred to in paragraph (c) of that subsection is to be disregarded in determining the R&D fraction for the sub-stream.

(3)Subsection (4) applies if during the relevant period—

(a)the company is a party to a cost-sharing arrangement,

(b)the company incurs expenditure in making payments under the arrangement that are within subsection (5), and

(c)the company receives payments under the arrangement that are within subsection (6).

(4)So much of the expenditure referred to in paragraph (b) of subsection (3) as is equal to the amount of the payments referred to in paragraph (c) of that subsection is to be disregarded in determining the R&D fraction for the sub-stream.

(5)A payment is within this subsection if—

(a)it is within section 357BLD(2) by reason of section 357GCZC, or

(b)it is within section 357BLE(2) or (3) by reason of section 357GCZD.

(6)A payment is within this subsection if—

(a)it is made by persons connected with the company in respect of relevant research and development undertaken or contracted out by the company, or

(b)it is made in respect of an assignment to the company of a relevant qualifying IP right or a grant or transfer to the company of an exclusive licence in respect of such a right.]

Textual Amendments

F7S. 357BLEA inserted (with effect in accordance with s. 23(5) of the amending Act) by Finance (No. 2) Act 2017 (c. 32), s. 23(2)

357BLFMeaning of the “relevant period” etcU.K.

(1)Subsections (2) to (6) define “the relevant period” for the purposes of sections 357BLB to 357BLE.

(2)The “relevant period” is the period which—

(a)ends with the last day of the accounting period, and

(b)begins on the relevant day or such earlier day as the company may elect.

This is subject to subsection (6).

(3)The “relevant day” is 1 July 2013 in a case where—

(a)the accounting period begins before 1 July 2021, and

(b)the company is a new entrant (see section 357A(11)).

(4)The “relevant day” is 1 July 2016 in any other case.

(5)A day elected under subsection (2)(b) must not be more than 20 years before the last day of the accounting period.

(6)If the last day of the accounting period is, or is after, 1 July 2036 the “relevant period” is the period of 20 years ending with that day.

(7)Expenditure incurred by the company is to be treated for the purposes of sections 357BLB to 357BLD as incurred during the relevant period if (and only if) the expenditure is allowable as a deduction in calculating for corporation tax purposes the profits of the trade for an accounting period which falls, in whole or in part, within the relevant period.

357BLGCases where the company is a new entrant with insufficient information about pre-enactment expenditureU.K.

(1)This section applies if—

(a)the accounting period begins before 1 July 2021 and the company is a new entrant (so that subsection (3) of section 357BLF applies), and

(b)the company has insufficient information about its expenditure in the period which begins with 1 July 2013 and ends with 30 June 2016 to be able to calculate the R&D fraction for the sub-stream.

(2)If the accounting period begins on or after 1 July 2019, the company may elect that, for the purposes of enabling it to determine the R&D fraction for the sub-stream, section 357BLF is to have effect as if in subsection (3) for “1 July 2013” there were substituted “ 1 July 2016 ”.

(3)If the accounting period begins before 1 July 2019 the company may elect that, for the purposes of enabling it to determine the R&D fraction for the sub-stream, sections 357BL to 357BLE are to have effect as if—

(a)any reference in those sections to the relevant period were to the period of three years ending with the last day of the accounting period,

(b)in section 357BLB, for subsections (5) and (6) there were substituted—

(5)In this section and sections 357BLC and 357BLD, “relevant research and development” means research and development (within the meaning of section 1138) which relates to the trade., and

(c)in section 357BLE—

(i)in each of subsections (2), (3) and (4) the word “relevant” were omitted, and

(ii)subsection (6) were omitted.

357BLHR&D fraction: increase for exceptional circumstancesU.K.

(1)The company may elect to increase the R&D fraction for the sub-stream by the amount mentioned in subsection (2) if (but for the increase)—

(a)it would not be less than 0.325, and

(b)it would, because of exceptional circumstances, be less than the value fraction for the sub-stream (see subsection (3)).

(2)The amount of the increase referred to in subsection (1) is the amount which is equal to the difference between the R&D fraction (before the increase) and the value fraction.

(3)The “value fraction” for the sub-stream is the fraction which, on a just and reasonable assessment, represents the proportion of the value of the relevant qualifying IP rights which is properly attributable to research and development undertaken at any time—

(a)by the company itself, or

(b)on behalf of the company by persons not connected with it.

(4)An election under subsection (1) is made by the company giving notice to an officer of Revenue and Customs.

(5)The notice must be given on or before the last day on which an amendment of the company's tax return for the accounting period could be made under paragraph 15 of Schedule 18 to FA 1998.

(6)In this section—

  • relevant qualifying IP rights” has the same meaning as in section 357BLE, and

  • research and development” has the meaning given by section 1138.

(7)Section 1122 (meaning of “connected” persons”) applies for the purposes of this section.]]

Back to top

Options/Help

Print Options

You have chosen to open The Whole Act

The Whole Act you have selected contains over 200 provisions and might take some time to download. You may also experience some issues with your browser, such as an alert box that a script is taking a long time to run.

Would you like to continue?

You have chosen to open The Whole Act as a PDF

The Whole Act you have selected contains over 200 provisions and might take some time to download.

Would you like to continue?

You have chosen to open The Whole Act without Schedules

The Whole Act without Schedules you have selected contains over 200 provisions and might take some time to download. You may also experience some issues with your browser, such as an alert box that a script is taking a long time to run.

Would you like to continue?

You have chosen to open The Whole Act without Schedules as a PDF

The Whole Act without Schedules you have selected contains over 200 provisions and might take some time to download.

Would you like to continue?

You have chosen to open the Whole Act

The Whole Act you have selected contains over 200 provisions and might take some time to download. You may also experience some issues with your browser, such as an alert box that a script is taking a long time to run.

Would you like to continue?

You have chosen to open the Whole Act without Schedules

The Whole Act without Schedules you have selected contains over 200 provisions and might take some time to download. You may also experience some issues with your browser, such as an alert box that a script is taking a long time to run.

Would you like to continue?

You have chosen to open Schedules only

The Schedules you have selected contains over 200 provisions and might take some time to download. You may also experience some issues with your browser, such as an alert box that a script is taking a long time to run.

Would you like to continue?

Close

Legislation is available in different versions:

Latest Available (revised):The latest available updated version of the legislation incorporating changes made by subsequent legislation and applied by our editorial team. Changes we have not yet applied to the text, can be found in the ‘Changes to Legislation’ area.

Original (As Enacted or Made): The original version of the legislation as it stood when it was enacted or made. No changes have been applied to the text.

Close

See additional information alongside the content

Geographical Extent: Indicates the geographical area that this provision applies to. For further information see ‘Frequently Asked Questions’.

Show Timeline of Changes: See how this legislation has or could change over time. Turning this feature on will show extra navigation options to go to these specific points in time. Return to the latest available version by using the controls above in the What Version box.

Close

Opening Options

Different options to open legislation in order to view more content on screen at once

Close

Explanatory Notes

Text created by the government department responsible for the subject matter of the Act to explain what the Act sets out to achieve and to make the Act accessible to readers who are not legally qualified. Explanatory Notes were introduced in 1999 and accompany all Public Acts except Appropriation, Consolidated Fund, Finance and Consolidation Acts.

Close

More Resources

Access essential accompanying documents and information for this legislation item from this tab. Dependent on the legislation item being viewed this may include:

  • the original print PDF of the as enacted version that was used for the print copy
  • lists of changes made by and/or affecting this legislation item
  • confers power and blanket amendment details
  • all formats of all associated documents
  • correction slips
  • links to related legislation and further information resources
Close

Timeline of Changes

This timeline shows the different points in time where a change occurred. The dates will coincide with the earliest date on which the change (e.g an insertion, a repeal or a substitution) that was applied came into force. The first date in the timeline will usually be the earliest date when the provision came into force. In some cases the first date is 01/02/1991 (or for Northern Ireland legislation 01/01/2006). This date is our basedate. No versions before this date are available. For further information see the Editorial Practice Guide and Glossary under Help.

Close

More Resources

Use this menu to access essential accompanying documents and information for this legislation item. Dependent on the legislation item being viewed this may include:

  • the original print PDF of the as enacted version that was used for the print copy
  • correction slips

Click 'View More' or select 'More Resources' tab for additional information including:

  • lists of changes made by and/or affecting this legislation item
  • confers power and blanket amendment details
  • all formats of all associated documents
  • links to related legislation and further information resources