Form

Report your medical condition (form CN1)

Report certain types of medical conditions to DVLA if you're a car driver or motorcyclist.

• From: Driver and Vehicle Licensing Agency
• Published: 1 April 2012
• Last updated: 1 April 2025
  Show all updates

  1. 1 April 2025

     Updated CN1 PDF and accessible ODT forms uploaded.

  2. 19 November 2024

     Updated the CN1 PDF and ODT.

  3. 26 March 2024

     New accessible document (ODT) uploaded

  4. 26 March 2024

     Updated PDF

  5. 10 August 2022

     Updated PDF.

  6. 20 July 2022

     Updated PDF.

  7. 13 April 2022

     Removed consent form as 'consent' is given when filling in the CN1 form

  8. 13 January 2022

     Updated CN1 added.

  9. 14 December 2021

     Updated PDF

  10. 20 October 2021

      Updated PDF of form CN1. Added 'consent form' to authorise doctor or specialist to release report or medical information on fitness to drive

  11. 20 August 2021

      Updated CN1 PDF.

  12. 19 May 2021

      Updated English PDF

  13. 19 February 2019

      Essential tremor removed from medical conditions list and muscular dystrophy added.

  14. 7 February 2019

      Updated pdf.

  15. 5 June 2018

      Update to question 9 on Welsh version

  16. 3 May 2018

      Updated PDF.

  17. 26 March 2018

      Welsh PDF updated

  18. 21 March 2018

      PDF updated

  19. 26 July 2017

      Added translation

  20. 18 July 2017

      PDF updated

  21. 17 May 2017

      PDF updated

  22. 24 February 2017

      Updated pdf

  23. 20 May 2016

      Guillain Barré syndrome added to the list.

  24. 14 September 2015

      A new question has been added (Q9).

  25. 16 January 2015

      Changes have been made at Q4a.

  26. 1 August 2014

      This form can now be used if you suffer from essential tremor.

  27. 1 April 2012

      First published.

Documents

CN1

Ref: CN1

PDF, 275 KB, 7 pages

This file may not be suitable for users of assistive technology.

Request an accessible format

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email alternative.format@dvla.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

CN1 - accessible

ODT, 27.6 KB

This file is in an OpenDocument format

Details

Use this form to report these medical conditions:

• ataxia
• muscular dystrophy
• Friedrich’s ataxia
• Guillain Barré syndrome
• Huntington’s disease
• motor neurone disease
• multiple sclerosis
• myasthenia gravis
• other related conditions

Check the list of health conditions if yours is not listed.

Use a different form to report these conditions if you have a lorry, bus or coach licence.

Find out what happens after you tell DVLA.