Electronic invoicing is increasingly being mandated by public sector clients.
The State Chambers of Architects of Baden-Württemberg and North Rhine-Westphalia, as well as the North Rhine-Westphalia Procurement Portal and the Federal E-Invoicing Portal, have compiled information on the electronic invoicing of services for public administration.
- AK Baden-Wuerttemberg
- AK North Rhine-Westphalia
- Public Procurement Portal North Rhine-Westphalia
- E-billing portal of the federal government
- Latitude: 0
- Longitude: 0
