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Tax identification number Allocation

The tax identification number is used for identification in the taxation procedure. It enables a clear assignment of tax returns, notifications and correspondence to the applicable tax case.

It remains valid for a lifetime and does not change when moving or getting married. The tax identification number is a "non-speaking number". This means that neither personal data nor the responsible tax office can be read from it.

Tax identification number for first registration in Germany / moving abroad before 01.07.2007

If you register with your registration authority, it will forward your data to the competent authority for the purpose of assigning the tax identification number. You will be informed by the competent authority about the assignment of your tax identification number by means of a notification letter.

Tax identification number for newborn children

Newborns also receive a tax identification number from the competent authority.

You have not received a tax identification number?

You have not received a letter with the tax identification number within 3 months of your first registration in Germany or for your newborn child? You can then communicate your personal data to the competent authority. The Federal Central Tax Office will then contact the registration authority and send you the tax identification number.

The responsibility lies with the Federal Central Tax Office.

Every person taxable in Germany receives a tax identification number.

No documents are required.

There are no fees.

Deadlines may have to be observed. Please contact the competent authority.

You will receive the tax identification number by post to your registered address. A telephone message or a message by e-mail is not possible for data protection reasons.

Federal Ministry of Finance


The text was automatically translated based on the German content.

competent Bodies

Bundeszentralamt für Steuern: Service-Team
Address: An der Küppe 1, 53225 Bonn, Stadt

Data protection information

Landesbeauftragte für den Datenschutz Niedersachsen
Address: Prinzenstraße 5, 30159 Hannover
Telephone: +49 511 12045-00
Fax: +49 511 12045-99

Source: Serviceportal Niedersachsen (Portalverbund des Bundes und der Länder)