About compliance checks: CC/FS1a
This factsheet provides information about compliance checks.
- From:
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- Published
- 31 August 2012
- Last updated
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30
13April 20252023— See all updates
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Details
Factsheets are for guidance only and reflect the HMRC position at the time of writing.
Updates to this page
Last updated 30
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Updated ‘About compliance checks – CC/FS1A’ to include a section on ‘More information online about compliance checks’.
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25 February 2022 The CC/FS1a privacy notice information has been updated.
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5 October 2020 The ‘Compliance checks this factsheet relates to’ section has been updated.
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8 November 2019 The‘Compliance checks that this factsheet relates to’ section has been updated.
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18 March 2019 This factsheet has been updated throughout and highlights HMRC support available for customers needing help.
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4 September 2018 The factsheet has been updated to explain HMRC's use of open source research.
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23 January 2018 The factsheet has an updated 'More information' section that explains what information HMRC may use when dealing with compliance checks.
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15 December 2017 This factsheet has been updated to include new legislation about when a penalty is restricted because of the timing of the disclosure.
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3 November 2015 New helpsheet published.
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12 November 2014 Updated version of Compliance Factsheet 1a
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31 August 2012 First published.
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Update history
2025-04-30 10:00
Updated ‘About compliance checks – CC/FS1A’ to include a section on ‘More information online about compliance checks’.
2023-04-13 06:00
‘Digital Services Tax’ has been added to the list of compliance checks.
2022-02-25 06:00
The CC/FS1a privacy notice information has been updated.