Rather, we hear it said that the doctor makes a diagnosis and that he is the person who fills up the forms requested by your department. Then, once the form is filled up, the person believes that he cannot work anymore because the doctor told him that he was not capable of doing so.
C'est à la personne elle-même d'estimer si elle est capable ou non de lacer ses souliers, etc., et de remplir ensuite le formulaire, et non au médecin.