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Antitrust violations; transmission of anonymous tips

You can anonymously submit information on possible infringements of antitrust law to the Bundeskartellamt and receive feedback on them.

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  • Anonymes Hinweisgebersystem des Bundeskartellamtes

    Do you have special knowledge or insider knowledge of illegal agreements, but are afraid to pass on this information for fear of reprisals or negative consequences? If so, a standardized whistleblower system is available to you here, which safeguards you through absolute anonymity.

Responsible for you

Bundeskartellamt

Street address

Kaiser-Friedrich-Straße 16
53113 Bonn

Postal address

Kaiser-Friedrich-Straße 16

53113 Bonn

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Procedure details

Via the whistleblower system (BKMS) you can provide the Bundeskartellamt with information, in particular

  • on illegal agreements between competitors,
  • illegal agreements between suppliers and customers,
  • abuse of a dominant market position.

Your contact details will not be recorded, you will remain anonymous. Once you have submitted your tip, you can set up a protected personal mailbox. You can also use this mailbox to stay in contact with the Bundeskartellamt anonymously. This is usually very helpful for processing the case.

Via the mailbox

  • you will receive feedback from the Bundeskartellamt,
  • can answer any questions you may have and
  • you will be informed about the progress of your notification.

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  • Required document/s

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You can enter your report online on the website of the whistleblower system (BKMS):

  • Select the topic on which you want to provide information and then enter your information. This is done via a free text field as well as via certain questions with selection fields (Yes/ No/ No information). In addition, you can attach a file (Word, Excel, PDF, etc.) up to 2 megabytes (MB) in size to your report. Your contact details will only be recorded if you provide them voluntarily.
  • Once you have submitted your notification, the Bundeskartellamt will be able to retrieve and check the information you have filed in the BKMS.
  • You will receive a reference number as proof that your notification was successfully filed in the BKMS.
  • You also have the option of setting up a protected personal mailbox after submitting your notification. You can use this mailbox to communicate anonymously with the Bundeskartellamt. You choose your own user name and password. Via the mailbox you will receive feedback from the Bundeskartellamt, can answer any questions and will be informed about the progress of the matter.

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When you send your notice, the Bundeskartellamt usually confirms receipt of your notice on the next working day.

The Bundeskartellamt usually needs between 1 and 6 weeks to examine and process your notice.

Status: 11.04.2023
Editorially responsible for prodecure description: Bundesministerium für Wirtschaft und Energie
Source: Federal Portal
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