Migration from CSSR to OneGate

Attention: As from 5/11/2012 the online declaration of Portfolio (Domain PRT) will happen in OneGate and no longer in CSSR.


  • October 26th, 2012: Last day on which CSSR is accessible.
  • October 27th - November 4th, 2012: neither CSSR, nor OneGate are available.
  • November 5th, 2012: OneGate is opened. From this day, you can find the access-link on www.nbb.be/onegate.


Frequently Asked Questions (FAQ)

  • Is my log-in still valid?
    Yes, alle credentials (usernames and/or certificates) from CSSR are transferred to OneGate.
  • can I consult my old data?
    All data starting from the declaration of December 2010 is copied from CSSR to OneGate.