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

Master data T-Systems and confirmation of bank data

The Confirmation of Account in original is not part of our offering portfolio. It will cost 200€.

Informationen for Indian suppliers

form: 10F und non PE declaration for T-Systems International GmbH
1 Item
Name Description Date Version Size
10_F_&_Non_PE.pdf Jun 3, 2019 -- 572 KB 10_F_&_Non_PE.pdf

Information for US Supplier

Form: W-8BEN-E TSI.pdf
1 Item
Name Description Date Version Size
W-8BEN-E TSI.pdf Jun 3, 2019 -- 2 MB W-8BEN-E TSI.pdf

Letter of Authorization

Accepted for non-EU countries