GSTN Issues Advisory On Implementation of Mandatory Mentioning of HSN codes in GSTR-1 & GSTR-1A



Quick Summary
The GST Network (GSTN) has issued an advisory regarding the implementation of Phase-III for reporting HSN codes in Table 12 of GSTR-1 and GSTR-1A, effective from the January 2025 return period. This phase replaces manual HSN entry with a dropdown selection and bifurcates Table 12 into B2B and B2C supplies tabs. New validations for supply and tax amounts have also been introduced, though they will initially be in warning mode.

After successful implementation of Phase-I Phase-II now Phase-III regarding Table 12 of GSTR-1 1A is being implemented, from return period January 2025. In this phase manual entry of HSN has been replaced by choosing correct HSN from given Drop down. Also, Table-12 has been bifurcated into two tabs namely B2B and B2C, to report these supplies separately. Further, validation regarding values of the supplies and tax amounts involved in the same, have also been introduced for both the tabs of Tab
Daily Limit Reached

You have reached your daily limit of 2 Free News

Subscribe to CCI PRO for unlimited access

Why Upgrade to CCI PRO?
  • No Ads
  • WhatsApp Community
  • Daily E-Newsletter
  • Unlimited News Access
  • Profile Visitors
  • Link Social Profiles
  • Featured Job Posts
  • Pro Badge
  • Expert GST Guidance
  • Unlimited Forum Replies
  • Download Content in PDF
1 Year PLAN
1999
(Excl. of GST ₹359)

BEST VALUE
2 Years PLAN
3499
(Excl. of GST ₹629)

View all CCI PRO benefits

Already a PRO member? Login here for an ad-free experience. 011-411-70713

FAQ :

The mandatory mentioning of HSN codes in GSTR-1 & GSTR-1A will be implemented from the January 2025 return period.

Phase-III replaces manual HSN entry with selection from a dropdown list, bifurcates Table 12 into B2B and B2C supplies tabs, and introduces validations for supply and tax amounts.

No, manual user entry of HSN codes will not be allowed in Phase-III; HSN codes must be selected from the provided dropdown list.

Validations will check the reported values of B2B and B2C supplies in Table 12 against values reported in other tables of GSTR-1. Initially, these validations will be in warning mode, meaning they won't block filing.

This button allows taxpayers to download an Excel file containing the updated list of HSN & SAC codes for goods and services, along with their descriptions.

Yes, the 'Product Name as in My Master' button is now searchable and optional. Selecting a description from your HSN Master can auto-populate HSN code, description, UQC, and quantity.




News posted by

Finance news reporter covering taxation, GST, income tax, business compliance, and economy updates. I simplify complex financial topics into easy-to-understand articles for professionals, taxpayers, and business owners on leading finance and tax platforms.

Comments :


More »


Popular News





CCI Pro



Company
Featured 21 September 2026
Consultant - Reporting

Finrep Advisors LLP

Mumbai

CA

View Details
Company
08 September 2026
Audit Executive

Thammana & Associates

Srikakulam

B.Com

View Details
Company
08 September 2026
Semi-Qualified Assitant

Subrahmanyam & Sivudu CA Firm

Hyderabad

CA Inter

View Details
Company
30 September 2026
Senior Accounts Executive

Codeboard Technology

Chennai

MBA

View Details
Company
09 September 2026
Chartered Accountant

Aviv Global Private Limited

Ahmedabad

CA

View Details
Company
30 September 2026
Senior Accountant

Codeboard Technology

Chennai

B.Com

View Details
Company
ARTICLESHIP 07 October 2026
Article Assistant

Malhotra Rajesh & Associates

New Delhi

B.Com

View Details
Company
Featured 12 September 2026
Assistant Manager - Finance & Compliance

Naveen Fintech Pvt Ltd

Kolkata

CA Inter

View Details