Obtaining a sick note retrospectively: How many days doctors are allowed to backdate it. As of: March 25, 2024, 4:34 p.m By: Carina Blumenroth CommentsPressSplit Anyone who is sick cannot work.

Employees then need a certificate for the employer during the course of the illness. This also works retroactively. But be careful: your employer can request sick leave earlier - for example on the first day. But what if you are so ill that you cannot go to the doctor? Obtain a sickNote retrospectively – possible retroactively for up to three days.