Policy on cookies of the National Audit Office of the Republic of Bulgaria

What are cookies?

Cookies are small text files generated on your device by the websites that you visit. The information in them may contain your preferences or identification of your device used for access to the Internet (computer, tablet or mobile device). Cookies help websites record your settings, e.g. – language, font size and other preferences on how you want to view the website so that you don’t have to re-enter them every time you visit the website.

We use cookies for statistical purposes only and we do not collect personal data for any other purposes.

There are different types of cookies:

  • Strictly necessary (essential) cookies

These cookies are required for the operation of the website and support essential functions such as navigation between webpages and access to restricted areas of the website. Without them the user cannot be identified and will not have access to the services.

  • Functionality cookies

They are not essential for access to or use of the website, but enable personalization while the user visits the website. They allow websites to recognize your preferences so that you don’t have to re-enter each time information that has already been provided. If you choose to delete these cookies, the services may be functionally limited.

  • Statistical cookies

These cookies allow the administrator of the website to learn how visitors interact with other websites, by means of collecting and reporting information.

  • Marketing cookies

These cookies are used to track users across websites. Their aim is to develop marketing messages that relate to individual users.

  • Unclassified cookies  

These cookies are in the process of classifying, together with providers of individual cookies.

Cookies may also be “session” and “persistent”:

  • Session cookies are stored on your computer when you visit the website, but are erased the moment you close the browser.
  • Persistent cookies are stored as a file on your computer or mobile device for a longer period of time.

List of cookies used on the BNAO website: http://www.bulnao.government.bg/

They are used for user identification. Their aim is to collect statistical data on website visits. They are reset after each session and no explicit consent is required. They expire after 2 years (24 months).


They are used to manage the speed of submission of information to Google Analytics. 1 day (24 hours). No explicit consent is required.


They are used for user identification. They expire after 24 hours. No explicit consent is required.


They are used to identify the type of device used by visitors. They are deleted after you close the browser.


They are used to determine the interests of users. They expire after 6 months.

You can find detailed information here: https://developers.google.com/analytics/devguides/collection/analyticsjs/cookie-usage

The confidentiality rules and the usage conditions of Google, including Google Analytics, can be found here: https://policies.google.com/technologies/partner-sites?hl=bg. If you wish to prohibit Google Analytics from tracking your user activity, you may use the following instrument provided by the supplier: https://tools.google.com/dlpage/gaoptout

How can you control the cookies?

You know when and whether your browser receives cookies, because you are notified during your first visit to the website. That way you can accept or block a certain cookie. If you wish to learn more about cookies, please visit: http://www.aboutcookies.org/ or refer to Microsoft’s Guide on Cookies: https://support.microsoft.com/en-us/help/260971/description-of-cookies

You can choose what types of cookies to allow or block by visiting the respective websites for browser settings:

for Internet Explorer: https://support.microsoft.com/en-us/help/17442/windows-internet-explorer-delete-manage-cookies#ie=ie-10

for Firefox: https://support.mozilla.com/en-US/kb/cookies-information-websites-store-on-your-computer?redirectlocale=en-US&redirectslug=Cookies

for Chrome: https://support.google.com/chrome/answer/95647?hl=en&ref_topic=14666

Changes to the Cookies Policy

All future changes to our Cookies Policy will be published on our website. The changes come into force immediately, unless otherwise specified. This policy was adopted in 2019.

Contact details


National Audit Office of the Republic of Bulgaria; 37, Ekzarh Yosif St., Sofia

Data Protection Officer:

phone number: +359 2 9357 408; email: g.nikolova@bulnao.government.bg

For more information on the ways we collect, use and store personal data, please refer to our Policy on Transparency and Personal Data Protection