Every month, you should give your employer a doctor's certificate signed by your doctor attesting to the degree of incapacity. To facilitate matters, the insurer has produced a special form for long-term incapacities, and this form is available on request. Your doctor should fill in the form at each consultation. You should then give your employer a copy of the form. At the end of the incapacity for work, you should send you employer the original form without delay.