What is the federal tax number?

Updated 9 months ago ​by

You will receive your tax number from your local tax office. The number of digits varies depending on the federal state. The federal tax number (13 digits) (ger.: Bundeseinheitliche Steuernummer) is required for the TSE submission in the ELSTER portal. In this article, you will find out how you can easily convert your state-specific tax number into a federal tax number.

You can convert the tax number either automatically using a help page from the Federal Ministry for Economic Affairs and Climate Protection | Federal Ministry of Finance or manually using a help table.

Automatic conversion

For automatic conversion, follow this link (German), which will take you to the tax number converter of the Federal Ministry for Economic Affairs and Climate Protection | Federal Ministry of Finance.

Manual conversion

Using the table below, you can easily create your federal tax number from your country-specific tax number.

F = digit of the tax office number, B = digit of the district number, U = digit from the personal identification number, P = check digit

Source: elster.de

Further information about your tax number and the conversion can be found at this link (German).

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