The following Granules are required for an On-Premises installation:
70761810 VAT Registration No. Validation by Navax
1010860 Extension Base by NAVAX
External Addresses
https://finanzonline.bmf.gv.at/
For validation via FinanzOnline, access to https://finanzonline.bmf.gv.at/fonws/ws/session/ and to https://finanzonline.bmf.gv.at:443/fonuid/ws/uidAbfrage/ must be granted.
https://www.navax.app
For licensing, calling the online help and performing some actions, access to https://www.navax.app must be granted.
Public IP from www.navax.app for setting firewall access: 94.136.22.236, Port: TCP/443
Checking the connection to https://www.navax.app using PS: Test-NetConnection navax.app -port 443 (PS must be performed with the M-Tier service user)