Guidance

Animal testing and research: annual returns

Guidance on completing your annual return of procedures.

Always check this page to ensure that you are using the most up-to-date returns and guidance notes. We welcome feedback on these documents.

2021 return

From 4 October you should use the Animals in Science Procedures e-Licensing (ASPeL) system to complete return of procedures forms.

Please read the guidance documents below when you complete your form.

Instructions for completing 2021 annual return of procedures in the UK (PDF, 320 KB, 16 pages).

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Guidance

  • Actual severity reporting (PDF, 161 KB, 19 pages) sets out the general principles to enable project licence holders, and those appointed by them, to accurately and consistently assign severity assessments on completion of regulated procedures
  • Severity classification of genetically altered animals (PDF, 113 KB, 10 pages) advises on the specific issues relevant to the assessment of severity of animals on ‘breeding and maintenance’ protocols.

If you have any queries about this data collection please email asrubusiness@homeoffice.gov.uk

We are aware these publications may have accessibility issues. We are reviewing them so that we can fix these.

Read more about our accessible documents policy.

Published 1 December 2017
Last updated 1 October 2021 + show all updates
  1. Supplementary instructions for completion of annual returns of procedures in the UK updated.

  2. Updated the return of procedures - animal use data 2021 file.

  3. 2021 excel form updated.

  4. Updated with 2021 return procedures.

  5. Updated the return of procedures - animal use data.

  6. Updated with 2020 return of procedures animal use data

  7. Guidance on Return of Procedures updated.

  8. Updated with 2019 return procedures.

  9. The section on 2017 annual returns has been removed as all returns have been received.

  10. New return of procedures - animal use data 2018 form added.

  11. New form and guidance for 'additional data collection' published.

  12. Guidance on 'annual data collection 2017' updated.

  13. Guidance on additional data collection for 2017 published.

  14. First published.