By Lynda Macdonald
When to use this model sickness absence letter
Where sickness absence is not supported by the required medical evidence, it’s important to set expectations clearly and follow absence management procedures consistently. Use this model letter to notify an employee who has failed to respond to previous requests to provide a fit note for sickness absence lasting more than seven days that the matter is now to be treated as unauthorised absence.
In this guide, learn about:
- Letter wording
- How to use this document
- Supporting guidance for this document
- Key resources
- Notes
- Future developments
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About the author

Lynda Macdonald
Lynda Macdonald has worked for more than 20 years as a self-employed, freelance management trainer, adviser and writer specialising in employment law.
She regularly designs and conducts training courses on all aspects of employment law for a range of managers and supervisors in all sectors of industry.
Prior to setting up her own business in employment law and management training/consultancy, she worked as an HR manager in the oil industry for more than 10 years. She is also appointed as a panel member of the employment tribunal service in Aberdeen, Scotland.
Lynda is a university graduate in language and a chartered fellow of the CIPD. She has an LLM degree in employment law and practice.
Lynda has written numerous books on various aspects of employment law, all of which have been published by major national publishers. She has co-authored several other books, and currently contributes extensively to various HR and employment law hard-copy and online products.
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