The Integration tab under System Configuration allows you to enable and manage integrations with external applications in Nimbus RMS.
Tax Integration for Retailer Configuration
This feature allows you to integrate your retail invoices with the Federal Board of Revenue (FBR) for automated tax reporting.
To enable tax integration:
Go to Configurations > System Configuration > Integration.
Toggle the Tax Integration for Retailer switch to On. The toggle will turn green.

A message will appear:
“This is a paid feature. It will cost you.”
Click Proceed to activate the integration.
A confirmation message will appear:
“FBR integration activated successfully.”
Set Up FBR or PRA in Store Settings
Once the integration is enabled:
Navigate to Configurations > Store Configuration > Store Definition.
Click the Store Settings tab.
In the Tax Integration for Retailer dropdown:
Select FBR for retailers
Select PRA for restaurants



Click Update to save the settings.
Enter FBR Credentials
To connect your POS with the FBR:
Go to Configurations > Store Configuration > Register.
Enter the following credentials provided by the FBR:
- FBR POS Code
FBR Authentication credentials (User name, password, API Key)



Now your selected POS will connect to FBR.
Test the Integration
After setup, perform a test sale to verify successful connection with FBR.