Why does GSTR-1 Table 12 flag an error for multi-rate HSN codes?

If multiple stock items share the same HSN code but carry different GST tax rates (e.g., 5% vs 12%), the GST Portal mandates separate line-item reporting for each tax rate and B2B/B2C category in Table 12.

How do I fix invalid UQC (Unit Quantity Code) errors in Tally Prime?

Ensure custom unit of measurement (UOM) ledgers in Tally Prime are mapped to standard GST portal Unit Quantity Codes (e.g., KGS, PCS, NOS, MTR) under Ledger Alteration.

What is the HSN digit rule based on turnover?

Businesses with Aggregate Annual Turnover up to ₹5 Crore must report 4-digit HSN codes for B2B supplies. Businesses with turnover exceeding ₹5 Crore must report 6-digit HSN codes for all supplies.

How does TrulyInvoice prevent HSN and tax rate errors?

TrulyInvoice uses AI to parse HSN codes, UQCs, and item GST rates directly from vendor purchase bills, posting clean, verified F9 purchase vouchers to Tally Prime.

Fix Multi-Rate HSN Summary Errors in Tally GSTR-1 (Table 12)

Filing monthly GSTR-1 returns can become frustrating when Table 12 throws HSN/SAC Summary errors. With the GST Portal mandating strict B2B vs B2C HSN reporting and multi-rate breakdowns, ensuring stock items in Tally Prime are correctly configured is essential for error-free filing.

Quick Answer: How to Fix Multi-Rate HSN Mismatches in Tally Prime?

TrulyInvoice extracts HSN/SAC codes, item quantities, rates, and GST percentages from vendor purchase bills and posts them directly to Tally Prime stock items. In GSTR-1 Table 12, the GST Portal mandates strict B2B vs B2C HSN summaries. If different items share an HSN code but carry multiple GST tax rates (5%, 12%, 18%), Tally Prime requires proper item-level tax rate definitions.

Check HSN Length: 4-digit for <₹5Cr turnover, 6-digit for >₹5Cr turnover.
Map UQC Codes: Map custom units (e.g. 'Pkt') to standard GST portal UQCs (e.g. 'PAC').
B2B vs B2C Bifurcation: Ensure sales vouchers are categorized correctly in Tally.
TrulyInvoice auto-extracts HSN codes & rates from purchase bills to prevent Tally errors.

Step-by-Step SOP: Resolving HSN Mismatches in Tally Prime

Check Incomplete/Mismatch Exceptions: Open Display More Reports > GST Reports > GSTR-1. Drill down into Incomplete/Mismatch in information.
Map Unit Quantity Codes (UQC): Open Stock Item Alteration, verify that the Unit of Measurement is linked to a valid GST UQC (e.g., NOS-NUMBERS or KGS-KILOGRAMS).
Set Item-Level Tax Rates: If different products share the same HSN code but carry different GST tax rates (e.g. 5% vs 12%), define the tax rate at the individual Stock Item Master level rather than the ledger level.
Regenerate JSON File: Export JSON from GSTR-1 report and validate in the GST Portal Offline Tool before final filing.

Preventing HSN & Tax Rate Errors with TrulyInvoice

Manual entry of purchase bills often leads to typos in HSN codes or wrong GST percentage selection. With TrulyInvoice, AI OCR extracts exact HSN codes, UQCs, and tax rates directly from supplier purchase bills.

TrulyInvoice creates verified F9 Purchase Vouchers in Tally Prime in 15 seconds, keeping item masters and HSN registers 100% compliant.

How to Fix Multi-Rate HSN Summary Errors in Tally Prime GSTR-1 (Table 12)

Quick Answer: How to Fix Multi-Rate HSN Mismatches in Tally Prime?

Step-by-Step SOP: Resolving HSN Mismatches in Tally Prime

Preventing HSN & Tax Rate Errors with TrulyInvoice

Stop Manual Voucher Entry.