In accordance with section 5 of the federal E-Invoicing Ordinance (and in addition to what is required by section 14 of the Value Added Tax Act; Umsatzsteuergesetz, UStG), an electronic invoice must include at least the following information:
- Buyer reference (Leitweg-ID) number – you will be notified of this number when the contract is awarded
- Terms of payment or the date by which payment is due
- Bank account details of the payment recipient
- De-Mail or email address of the invoice issuer
- Sales order number (optional)
Purchase order number (optional)