# Procurement & Invoicing

## Company & Legal

* **Kansi Solutions GmbH**, Rotenbergerweg 24, 66640 Namborn, Germany
* HRB 107712 (Local Court Saarbrücken)
* VAT ID: DE346326134
* See [Contracts & Legal](https://docs.rtkdata.com/commercial/contracts-and-legal) for Terms of Service, Privacy Policy, and Imprint

## Invoices & VAT

* Invoices are issued automatically via the checkout system
* VAT (e.g., 19% in Germany) is shown where applicable
* Need a PDF invoice or custom billing fields? Include your company details during checkout or contact [Sales](https://rtkdata.com/contact/)

## Payment & Licenses

* Monthly or annual subscriptions via credit card
* Credentials are delivered immediately after payment confirmation
* One license = one data stream (one active device at a time)

## W-9 / Company Documents

For vendor onboarding or company documentation requests, email <info@rtkdata.com> or use the [Contact page](https://rtkdata.com/contact/).