Pursuant to Article 129, 1° of the Law of 13 June 2005 on electronic communications, the National Bank of Belgium (hereinafter referred to as the NBB) wishes to inform visitors to its websites about the use of cookies. Cookies are small text files placed on the hard drives of the computers of website visitors. They contain information such as the user's language preference, so the person is not required to supply information again when revisiting the same website.

During a visit to an NBB website, a cookie may be saved on your hard drive. Cookies facilitate visits to the NBB's websites, while helping the NBB to store user preferences and visitor information and keep track of user trends. However, the NBB does not establish any link between the information saved by the cookies and data by name concerning the visitors to its websites.

Should any personal data be obtained via the use of cookies, it will be handled in accordance with Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC (General Data Protection Regulation – GDPR) and the NBB's privacy policy.

The following types of cookies are used on the NBB's websites:

Technically necessary cookies

These are cookies that are strictly necessary for the optimal functioning of websites. Without them, websites would not function properly. Consequently, these cookies cannot be disabled.

Functional cookies

These are cookies used to improve website functionality and ease of use. For example, these may be cookies that remember the choice of language, the content visitors previously viewed on website or the email address and password they provided when registering during an earlier visit to a website. These cookies may also include third-party cookies. They are mainly cookies enabling visitors to see videos incorporated in our website and to share web pages on social media platforms. In some cases, third-party functional cookies are accompanied by advertising cookies.

Analytical cookies

The NBB's websites make use of Google Analytics, a web analysis service from Google Inc. ("Google"). Google Analytics uses cookies that generate information on the number of website visitors, the number of pages consulted, website activity reports and how often visitors return. For this web analysis service, the NBB has concluded a subcontracting agreement with Google pursuant to Article 28 of the GDPR. Information generated by the cookie is transferred to Google, which stores it on servers in the United States as well.

Before storing the data, Google anonymises it by deleting the last byte of your IP address. Data stored may not be used by Google for its own purposes or for advertising purposes. No use is made of other Google services combined with the cookie created by Google Analytics. For further information on the use of Google Analytics, you can consult Google's privacy policy, and notably the way in which Google uses data gleaned from websites that use its services. You may disable Google Analytics via the Google Analytics Opt-out Browser Add-on.

You may change your cookie settings at any time (for instance, by asking to be notified when cookies are sent to your computer, or by refusing cookies) by altering your Internet browser settings. It should nevertheless be noted that, in this case, you may be unable to register on the NBB's websites or use other functions for which registration or information gathering is required.


If you have any questions about the use of cookies by the NBB, feel free to contact us:

  • by sending an e-mail to; or
  • by writing to the National Bank of Belgium, Data Protection Officer, boulevard de Berlaimontlaan 14, 1000 Brussels.

List of cookies

Depending on the web page you are visiting, the following cookies may be used.

Name Type and origin Objective Storage period
cookie-agreed Necessary cookies - NBB Register if you accept cookies. 100 days
language Necessary cookies - NBB Logs your choice of language for displaying the website. 365 days
webform-<webform identifier> Necessary cookies - NBB Logs the submission of web forms and prevents spam from being sent during submission. 24 hours
SESS<session id> Necessary cookies - NBB Identification of the internet session. During the browsing session
Drupal.<name> Necessary cookies - NBB Records Drupal-connected users' settings that are specific to Drupal itself. 365 days
has_js Necessary cookies - NBB Ensures correct presentation of the page for users who don't use Javascript. During browsing session
JSESSIONID Necessary cookies – F5 Identification of the browsing session. During browsing session
be.nbb.selected.language Necessary cookies – F5 Records your language choice to display the website. 1 week
Tsxxxxxxxx Necessary cookies – F5 Signing and securing connections with our server. During browsing session
BIGipServer<pool_name> Necessary cookies – F5 Saves the IP address used for connection to the Central Balance Sheet Office application. 1 hour
_ga Analytical cookies – Google Analytics Records a single identification code enabling statistical data on the way in which the visitor uses the website to be generated. 24 months
_gid Analytical cookies – Google Analytics Records a single identification code enabling statistical data on the way in which the visitor uses the website to be generated. 24 hours
_gat Analytical cookies – Google Analytics Spam prevention. Limits the number of requests sent to Google Analytics. 1 minute
PREF Functional cookies - Youtube Records your settings and preferences, especially your language choice, the number of search results you want to see on your page and whether you want to use Google’s Safesearch filter. 244 days
YSC Functional cookies - Youtube Records the videos you watch on web pages containing Youtube videos. During browsing session
VISITOR_INFO1_LIVE Functional cookies - Youtube Records your bandwidth to determine which Youtube interface you get. 180 days
GPS Advertising cookies - Youtube Records an identification number on mobile devices for tracking systems. 15 minutes
NID Functional cookies - Youtube Records an identification number that can keep your settings and preferences, especially your language choice, the number of search results you want to see on your page and whether you want to use Google’s Safesearch filter. 183 days
IDE Advertising cookies - Youtube Google Doubleclick records and relates the user’s actions after he/she looked at or clicked on an advert, to check the effectiveness of the advertising and to show ads that target the user. 390 days
CONSENT Necessary cookies - Youtube Records whether you accept Youtube terms and conditions. Has to be deleted manually
1P_JAR Advertising cookies - Google Analytics Collects statistics from the website for advertising purposes. 30 days
uvc Necessary cookies - AddtoAny Enables the user to share a web page on social media. 24 hours
test_cookie Necessary cookies - Youtube Checks whether your browser accepts cookies. During browsing session
_cfduid Necessary cookies - Cloudfare Identifies individual users behind a shared IP address and applies security settings per individual user. 365 days