Electronic Invoicing service – Saudi Arabia e-invoice integration – integration of these electronic solutions with ZATCA’s (Zakat, Tax and Customs Authority) systems

You may have some questions related to this feature:

1. Is Zatca Integration - QR code on E-INVOICES and Cash and Carry sales feature supported in on-prem implementation and on-prem production environments? 

2. Is this feature available for retail cash and carry, sales order/ customer orders and back-office sales order invoices?

Some details about the feature: 

Electronic Invoicing service – Saudi Arabia e-invoice integration - Dynamics 365 Release Plan | Microsoft Doc

E-invoicing integration for Retail for Saudi Arabia is not yet available. See the following release plan for more details:
Integrate e-invoices in retail stores in Saudi Arabia | Microsoft Docs

Regarding enabling this feature in on-prem deployments: the submission of simplified e-invoices will be done from Commerce HQ via the Electronic invoicing service.

The service is not available in on-prem deployments. None of microservices including Electronic Invoicing is available on-prem.

Customers using this deployment should consider moving to the cloud, using 3rd party solution provider or building integration with ZATCA using SDK themselves in ERP directly.