An incorrect company number or Declaration of Works number was used. How do I request a change, and within what period?
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If the worker registered using (a) an incorrect company number or (b) an incorrect Declaration of Works number, the employer can request a change to the registration data.
If the worker registered using (a) an incorrect company number or (b) an incorrect Declaration of Works number, the employer can request a change to the registration data. A request for changes must be submitted within 30 days of the registration concerned by contacting the NSSO through the CIaO management web service, clicking the envelope icon and completing the web form.
Content derived from www.socialsecurity.be.