How configure GST Bill Preference for Customer in ADempiere Retail?

This means the system should generate a GST- bill (invoice) when a transaction is done for a customer who has a valid GST number. The GST bill must include all required tax details as per government standards.

User Access

Who Can Access

• Admin
• Cashier
• Manager
• Back office

What User Can Do

• Enter or update Customer GST number in the Customer Master
• Ensure “GST Bill Required” is enabled for that customer

Pre-Requisite Activities

• Customer must have a valid GST number entered in the system
• Product must have HSN and tax rate defined
• Company GST setup must be completed
• Invoice template should be GST-enabled

Business Rules

• GST invoice is generated only if Customer has GSTIN
• Tax calculation should follow place of supply rules
  • CGST/SGST for intra-state
  • IGST for inter-state
• GSTIN should be validated (format check or API)
• Once invoice is generated, tax values cannot be edited
• GST bills must be serially numbered and audit-ready
• Non-GST customers should get non-GST (retail) bills only

User Interface

Step 1: Select ‘Customer’ in Menu-> Business Partner Rules -> Customer or Search Customer in Lookup.

Step 2: Enable the Need GST Bill checkbox in the customer screen.

Step 3: Enter the GST No. and save it.