Should you encounter any problems while using Sofista or if you would like any further information concerning the "Filing annual accounts via the Internet" application, please contact the Helpdesk at the Central Balance Sheet Office, on NBB working days, Monday to Friday, from 8.45 am to 4.30 pm:

• Phone:   32 2 221 30 01
• Fax:   32 2 221 32 66
• helpdesk.ba@nbb.be