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30 bis notification – compulsory for contractors on immovable property

As an attempt to combat social fraud, a reporting obligation 30bis has been introduced.
This notification can be made through the portal of the Belgian social security authorities (NSSO), via the online service “Declaration of work”.
The scope of 30bis:
Which works must be declared?
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 duty of social security and tax debts remain unchanged. |