GSTR1 Sales Invoice
📄 GSTR-1 – Sales Invoice Report
The GSTR-1 – Sales Invoice Report is a GST-compliance report that consolidates all taxable sales transactions for a given period, formatted as per the Goods and Services Tax (GST) filing requirements. It extracts sales invoice data from the ERP and organizes it for GSTR-1 filing, ensuring accurate tax reporting and compliance with statutory regulations in India.
🎯 Purpose of the Report
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Compile all outward supply details (sales, exports, and B2B/B2C transactions).
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Ensure sales invoices comply with GST return format.
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Assist in preparing and filing GSTR-1 returns with the GST portal.
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Minimize errors and mismatches during GST reconciliation.
📌 Key Data Fields (as per GSTR-1 format)
| Field | Description |
|---|---|
| Invoice Number | Unique sales invoice reference. |
| Invoice Date | Date of invoice issuance. |
| Customer GSTIN | GST identification number of the buyer (if registered). |
| Customer Name | Name of the customer or buyer. |
| Place of Supply | State/UT of supply for GST computation. |
| Invoice Value | Total invoice amount including taxes. |
| Taxable Value | Value of goods/services excluding GST. |
| HSN/SAC Code | Harmonized System Nomenclature / Service Accounting Code for the items. |
| Tax Rate (%) | Applicable GST rate (e.g., 5%, 12%, 18%, 28%). |
| IGST Amount | Integrated GST amount for interstate sales. |
| CGST Amount | Central GST amount for intrastate sales. |
| SGST/UTGST Amount | State GST / Union Territory GST amount for intrastate sales. |
| Export Flag | Indicates if the transaction is an export. |
| Reverse Charge | Marks if reverse charge mechanism applies. |
🔍 Filter & Search Options
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Invoice date range.
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Customer GSTIN or name.
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GST rate.
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State / place of supply.
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Invoice type (B2B, B2C large, B2C small, exports).
📊 Insights Provided
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Breakup of sales by GST rate slab.
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Segregation of interstate vs intrastate sales.
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Summary of B2B, B2C, export invoices.
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Tracking of nil-rated, exempted, and non-GST supplies.
📤 Export & Integration
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Export to Excel/CSV in GST portal upload format.
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Option to generate JSON file for direct GST portal upload.
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Integration with GST Reconciliation module for error checking.
✅ Benefits
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Ensures 100% compliance with GST reporting.
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Reduces manual work for GSTR-1 preparation.
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Minimizes tax filing errors and mismatches.
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Provides audit-ready sales transaction history.
📈 Example Layout
| Invoice No. | Date | GSTIN of Customer | Place of Supply | Invoice Value | Taxable Value | GST Rate | IGST | CGST | SGST | HSN Code | Invoice Type |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SI-2025-001 | 01-08-2025 | 27ABCDE1234F1Z5 | Maharashtra | 1,18,000.00 | 1,00,000.00 | 18% | 0.00 | 9,000.00 | 9,000.00 | 8471 | B2B |
| SI-2025-005 | 03-08-2025 | - | Karnataka | 59,000.00 | 50,000.00 | 18% | 9,000.00 | 0.00 | 0.00 | 8528 | B2C Large |