Notify changes to master data of holders of price sovereignty (PHI) for fuels
As the holder of price sovereignty (PHI) for fuels, you have a reporting obligation to the Market Transparency Unit for Fuels (MTS-K) and are registered there. You must notify the MTS-K immediately of any changes to your master data.
Description
If you are registered as a price sovereignty holder with the Market Transparency Unit for Fuels (MTS-K) and the master data you provided during registration changes, you must inform the MTS-K immediately.
The master data includes
- Your name
- Your address in Germany
- Name of at least one contact person
- your telephone number
- Company name, if applicable
- Name of an authorized representative, if applicable
- E-mail address, if applicable
- Fax number, if applicable
Online service
Submit notifications and requests from holders of price sovereignty (PHI) to MTS-K online
Description
Use this service online
Trust level
You need an Elster certificate with password to use this online service (trust level: substantial).
further information on the level of trust for online services
Identification
- electronic identification using national eID means – software certificate
Contact person
Bundeskartellamt (BKartA) - Markttransparenzstelle für Kraftstoffe
Address
address
Kaiser-Friedrich-Straße 16
53113 Bonn
Contact
Internet
Required documents
- Change notification
- if applicable:
- Proof of changes
- Extract from the commercial register or trade license
Prerequisites
- You are a price authority holder (PHI) for fuels or are acting on behalf of a PHI.
- You are already registered as a PHI with the Market Transparency Unit for Fuels (MTS-K).
- Your master data has changed.
Basis for legal action
Legal remedy
No legal remedy is provided for.
Procedure
You can notify the Market Transparency Unit for Fuels (MTS-K) of changes to your master data online, by post, e-mail or fax.
If you submit the change online:
- Go to the website of the federal portal verwaltung.bund.de and call up the online application.
- Enter your new master data.
- Upload any required documents.
- Submit the application electronically.
- MTS-K will check the changes and contact you if there are any queries.
If you submit the change by post, e-mail or fax:
- You inform MTS-K of the changes to your master data in an informal letter.
- State your file number in the letter.
- Send the letter to MTS-K by post, e-mail or fax.
- MTS-K will check your details and contact you if there are any queries.
Deadlines
There is no deadline.
Processing time
2 weeks to 3 months (Die Bearbeitungsdauer hängt ab von der Vollständigkeit der Angaben und Nachweise und Ihrer Reaktionszeit bei Rückfragen der MTS-K.)
Costs
There are no costs.
Further Information
Area of validity
Germany-wide
Official approval
Officially approved by Federal Ministry for Economic Affairs and Energy (BMWE) on 26.02.2026
Keywords
Fuels, Diesel fuels, GUID, Master data, Price sovereignty holder, Changes to master data, Gasoline fuels, Super, Federal Cartel Office, MTS-K