---
title: "Quality Requirements for Invoicing"
description: "If quality requirements are not met, we reserve the right to return the invoice unprocessed by electronic means."
url: "/en/help/for-suppliers/invoices/quality-requirements-for-invoicing"
lang: en
---

# Quality Requirements for Invoicing

- Invoice and service recipient: klarx GmbH, Koppstraße 16, 81379 Munich
- klarx order number must be present. This will be communicated with each order
- Specification of the construction project with complete address
- Complete billing period (DD.MM.YYYY)
- Billed quantity with unit of measurement (e.g., days, pieces, flat rate)
- Price per unit and total price of the billing item
- Currency
- Tax included
- Payment terms and IBAN and BIC