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 available from your employer or on the gov.uk website:
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 available from your employer or on the gov.uk website: