If youve been sick for 7 days or less
You do not require a doctor’s sickness certificate for any illness lasting seven days or less. Your employer may however require you to complete a self certification form (SC2) which is also available from your employer.
Fit notes and how to get one
If you’re sick and off work for more than seven days, your employer will probably ask for proof of your illness. Most employers ask for a fit note from your GP, you can request this by:
When your fit note runs out
If your certificate expires, but you’re still sick, you can request a further fit note by: