Doctors
The situation formula SIT FM DOCTEUR has the default value FALSE. You can override it at the payee level to indicate that a payee is a doctor.
When you override the formula to be TRUE, you are indicating that the payee is a doctor and that no ceiling proration (for part-time or multiple employers) should be applied to the ceilings. The URSSAF régime class to enter for a doctor is 336, or 337 for a doctor in Alsace-Moselle.