Contractors of works on an immovable property – compulsory notification = 30 bis notification.
In the context of the fight against social fraud there is a reporting obligation of certain works through the portal site of the Belgian social security authorities (NSSO).
One finds this application via the online service “Declaration of work”:
Scope 30 bis:
What works you must notify?
Who should report?
When should the notification be done?
Penalty for non-notification:
The Regulation concerning the joint and several liability and withholding and transfer