GST Billing & Accounting Help Guide
Clear explanations for Indian GST rules, HSN codes, CGST/SGST/IGST tax splits, customer credit ledgers, and fast invoice printing.
1. HSN Code vs SAC Code
Mandatory tax classification codes required on Indian GST tax invoices based on business turnover.
HSN (Goods): Harmonized System of Nomenclature (4 to 8 Digit code for products like Rice, Electronics, Garments).
SAC (Services): Services Accounting Code (6 Digit code for services like Repair, Consulting, Freight).
2. CGST, SGST & IGST Tax Rates
Automatic tax calculation based on supplier and customer registration state.
Same State Sale (Intra-State): Divided equally into CGST + SGST (e.g. 18% GST = 9% CGST + 9% SGST).
Other State Sale (Inter-State): Full IGST applied (e.g. 18% IGST on out-of-state customer).
3. Place of Supply (State Code)
Determines whether CGST/SGST or IGST applies to an invoice.
07-Delhi, 27-Maharashtra).
4. Customer Due & Payment Receipt
Track pending credit sales (Udhar) and record partial or full collections.
Credit Sale: Unpaid invoice amount is automatically added to Customer Outstanding Due.
Payment Receipt: Record Cash / UPI / Bank payments from Customer Ledger to clear due balances.
5. Instant UPI QR Code Invoicing
Print dynamic UPI QR Codes directly on invoices for instant customer scan & pay.
9876543210@paytm or store@icici) in Business Settings. The printed QR automatically encodes the exact invoice total amount.
6. Create Invoice in 4 Simple Steps
Designed for fast checkout at counter desks.
Step 1: Click + New Sale on Dashboard.
Step 2: Search or Select Customer Name.
Step 3: Scan Barcode or Select Items & Quantity.
Step 4: Click Save & Print (A4 or Thermal).
7. Thermal 3-Inch vs A4 Full Page
Supports both desktop laser printers and counter thermal POS printers.
A4 Full Page: Formal B2B Tax Invoices with detailed GST breakup & terms.
3-Inch Thermal (POS): Compact receipt billing for retail stores and quick checkout counters.
8. GSTR-1 & GSTR-3B Tax Filing
Export Excel & CSV reports formatted specifically for GST portal filing.