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IHT400(all) - Inheritance Tax account - Extended Form

Last EFIS release: 55/2025 (June 2025)

Form status: New/Amended

Revenue & Customs have updated the listed forms which are now available for immediate use. In addition, the IHT401a, IHTD31a and IHTD31b are new forms released by HMRC which have been added to the library.

For details of field amendments please go to: support.oyezforms.co.uk/fieldchanges

All EFIS releases

EFIS 55 - 2025 June 2025  New/Amended
EFIS 25 - 2025 April 2025  New/Amended
EFIS 3 - 2025 January 2025  New/Amended
EFIS 15 - 2024 March 2024  New/Amended
EFIS 60 - 2023 October 2023  New/Amended
EFIS 33 - 2023 July 2023  New/Amended
EFIS 21 - 2023 April 2023  New/Amended
EFIS 82 - 2022 December 2022  New/Amended
EFIS 72 - 2022 October 2022  New/Amended
EFIS 66 - 2022 September 2022  New/Amended
EFIS 63 - 2022 September 2022  New/Amended
EFIS 103 - 2021 December 2021  New/Amended
EFIS 82 - 2021 September 2021  New/Amended
EFIS 73 - 2021 July 2021  New/Amended
EFIS 57 - 2021 May 2021  New/Amended
EFIS 76 - 2020 December 2020  New/Amended
EFIS 53 - 2020 September 2020  New/Amended
EFIS 37 - 2020 July 2020  New/Amended
EFIS 7 - 2020 February 2020  New/Amended
EFIS 66 - 2019 August 2019  New/Amended
EFIS 95 - 2018 August 2018  New/Amended
EFIS 18 - 2016 February 2016  New/Amended
EFIS 98 - 2015 November 2015  New/Amended
EFIS 66 - 2015 September 2015  New/Amended
EFIS 31 - 2015 May 2015  New/Amended
EFIS 25 - 2015 April 2015  New/Amended
EFIS 103 - 2014 November 2014  New/Amended
EFIS 97 - 2014 October 2014  New/Amended
EFIS 11 - 2014 February 2014  New/Amended
EFIS 91 - 2013 November 2013  New/Amended
EFIS 69 - 2013 August 2013  New/Amended
EFIS 24 - 2013 March 2013  New/Amended
EFIS 73 - 2012 November 2012  New/Amended
EFIS 72 - 2012 November 2012  New/Amended
EFIS 54 - 2012 August 2012  New/Amended
EFIS 84 - 2011 November 2011  New/Amended
EFIS 83 - 2011 November 2011  New/Amended
EFIS 66 - 2011 August 2011  New/Amended
EFIS 54 - 2011 June 2011  New/Amended
EFIS 51 - 2011 May 2011  New/Amended
EFIS 42 - 2011 May 2011  New/Amended
EFIS 65 - 2010 October 2010  New/Amended
EFIS 54 - 2010 September 2010  New/Amended