How to comply with the new e-invoicing system within the European Union, specifically Germany?

You have to integrate a third-party application to handle the e-invoicing system within the European Union, specifically Germany, Sandra. I'll tell you more about this below.
 

Currently, QuickBooks Online (QBO) doesn't support direct electronic invoicing in Germany. However, you can integrate QBO with third-party e-invoicing services to streamline and manage your invoicing process seamlessly from your existing QBO account. This integration provides an efficient way to handle electronic invoicing in Germany.

Additionally, I'll share this article in case you want to learn how to manage your tax return and record your tax payment in QBO: File your tax return and record tax payments in QuickBooks Online.

Please know that you can always Reply to this thread if you have further inquiries about e-invoicing in QBO. We're always here to help.