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Guidance: Corporation Tax technical specifications: CT600 appendices

Published 1 January 2014

Last updated 7 September 2022
+ show all updates

  1. 7 September 2022

    Appendix C of the Annual Investment Allowance has been updated to version 3.9.

  2. 4 March 2021

    Appendix C of the Annual Investment Allowance has been updated with version 3.8.

  3. 19 March 2019

    Appendix C of the Annual Investment Allowance has been updated with version 3.7.

  4. 4 February 2019

    Appendix C of the Annual Investment Allowance has been updated with version 3.6.

  5. 3 January 2019

    Appendix A removed and replaced with a link to Corporation Tax rates.

  6. 12 October 2015

    Appendix C of the Annual Investment Allowance has been updated with version 3.3.

  7. 3 June 2015

    Appendix A: rates of tax version 2.5 has been published.

  8. 27 April 2015

    Appendix A and Appendix B have been updated to include Corporation Tax rates/fractions from April 2015.

  9. 13 April 2015

    Appendix C Annual Investment Allowance version 3.2 has been published.

  10. 1 January 2014

    First published.

Published 1 January 2014

Last updated 7 September 2022
+ show all updates

  1. 7 September 2022

    Appendix C of the Annual Investment Allowance has been updated to version 3.9.

  2. 4 March 2021

    Appendix C of the Annual Investment Allowance has been updated with version 3.8.

  3. 19 March 2019

    Appendix C of the Annual Investment Allowance has been updated with version 3.7.

  4. 4 February 2019

    Appendix C of the Annual Investment Allowance has been updated with version 3.6.

  5. 3 January 2019

    Appendix A removed and replaced with a link to Corporation Tax rates.

  6. 12 October 2015

    Appendix C of the Annual Investment Allowance has been updated with version 3.3.

  7. 3 June 2015

    Appendix A: rates of tax version 2.5 has been published.

  8. 27 April 2015

    Appendix A and Appendix B have been updated to include Corporation Tax rates/fractions from April 2015.

  9. 13 April 2015

    Appendix C Annual Investment Allowance version 3.2 has been published.

  10. 1 January 2014

    First published.