---
title: I am a customer based in Germany. What do I need to know when registering with OpusDNS?
description: Learn what information German customers need when registering at OpusDNS, including address, contact details, and tax-related notes.
---

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June 15, 2026

# I am a customer based in Germany. What do I need to know when registering with OpusDNS?

When signing up with OpusDNS, you will be asked to provide general address and contact details.

*The following notes are solely intended for guidance.*

For customers based in Germany:

- For tax classification purposes and to confirm business status, it may be useful to provide a [VAT ID](https://help.opusdns.com/what-is-a-vat-id-and-where-can-i-find-it?hsLang=en) or [other suitable proof of business status](https://help.opusdns.com/what-is-a-business-number-and-where-can-i-find-it?hsLang=en). However, a VAT ID is not mandatory for issuing invoices to customers within Germany.
- Special VAT regulations apply to certain areas, such as Helgoland. In such cases, separate tax treatment may apply.

**Note:** The company’s registered business address and billing address are important for correct invoicing. If these details change —whether within Germany or to another country — this may affect tax treatment and invoicing. In such cases, all relevant customer master data, including any required VAT ID, should be updated.

**For any questions, contact us at** support@opusdns.com. **We’re here to help!**

 

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