Tax Information

A tax residence certificate is a confirmation of the German tax authority that the Deutsche Telekom entity is resident for tax purposes in Germany and can therefore apply the Tax Treaty for Avoidance of Double Taxation (Tax Treaty) between Germany and the respective other state and can claim the provisions of the Tax Treaty.

If you need a tax residence certificate, please contact us at cax-consulting@t-systems.com.

Master data T-Systems and confirmation of bank data

It is not possible to receive the original account confirmation.

Informationen for Indian suppliers

Forms: 10F und non PE declaration for T-Systems International GmbH

NameDateSize
10_F___Non_PE.pdf 2019-06-03 573 KB

Information for US Supplier

Form: W-8BEN-E TSI.pdf

NameDateVersionSize
W-8BEN-E_TSI_20260129.pdf 2026-01-29 2021-10 7 MB

Letter of Authorization

Accepted for customers from non-EU countries. Not valid for Brasil, China and Mexico. For these countries please contact our local business units.

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