Information for CBS survey participants

Are you looking for information on how to complete a CBS questionnaire? We are here to help you.

Send us a question

Before writing to us, please check the Frequently Asked Questions (FAQ) to find more information on questionnaires and surveytaking. The FAQs are listed separately under each topic.

If you have a specific question our staff at the CBS Contact Center will be happy to help. They can be reached at (+31) 45 570 64 00 (Monday-Friday 9:00 AM – 5:00 PM). Or send an email to:

Are you deaf or hard of hearing? You can also use a speech-to-text or sign language interpreter during telephone conversations. Go to: Tolkcontact (in Dutch only). 

International Trade in Goods

A number of specific forms are available for the International Trade in Goods Survey. Please note, these forms are only intended for participants in the International Trade in Goods Survey. Please see the survey information and FAQs for more information.

Download authorization for your accountant

Click on the link to download the authorization form.

Send the signed form to or the following postal address:

Central Bureau of Statistics
CBS Contact Center
PO Box 4481
6401 CZ Heerlen


PDF - authorization for your accountant