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GSTN issued 4 advisories in Dec 2025 clarifying key GST compliances: non-editable Table 3.2 in GSTR-3B, auto-suspension for missing bank details, smarter credit note handling in IMS, and new validations for ITC/RCM ledgers
As a measure for enhanced GST compliance, Table 3.2 of the GSTR-3B form is now auto-populated and non-editable from the November 2025 tax period onwards (filed in December 2025). This table captures details of inter-State supplies made to composition taxpayers, unregistered persons, and Unique Identity Number (UIN) holders.
Key Details
• Auto-Population Source: In Table 3.2 the values are system-generated and pull data directly from your filed Form GSTR-1 or Invoice Furnishing Facility (IFF) submissions.
• Compliance Goal: This change ensures consistency between the outward supply details reported in GSTR-1 and the tax liability declared in GSTR-3B, reducing manual errors and data mismatches.
How to Correct Errors
Since the table is non-editable, any required modifications cannot be made directly in GSTR-3B. Corrections must be handled upstream in the source forms:
• Before GSTR-3B Filing (Same Period): If you discover an error after filing GSTR-1 but before filing GSTR-3B, you must make amendments through Form GSTR-1A for the same tax period. The values updated in GSTR-1A will instantly change the auto-populated figures of GSTR-3B in Table 3.2 , allowing you to file with the corrected data.
• After GSTR-3B Filing (Subsequent Periods): If an error is noticed after GSTR-3B is filed, the corrections must be carried out in the GSTR-1 or IFF of a subsequent tax period.
Actionable Advice for Taxpayers
To ensure smooth compliance, it is crucial to focus on the accuracy of your initial filings:
• Double-check GSTR-1/IFF: Always review your GSTR-1 or IFF details for inter-State supplies carefully before submission, as these values will be locked in GSTR-3B.
• Utilize GSTR-1A: Be prepared to use the GSTR-1A amendment facility if any last-minute corrections are needed before the GSTR-3B deadline for that period.
This change demands greater diligence in reporting outward supplies, as the opportunity for quick fixes in GSTR-3B has been removed.

Auto Suspension for missing bank details:

Yes, GST law in India mandates the automatic suspension of a taxpayer’s registration if the details of bank account are not furnished within the prescribed timeline under Rule 10A of the CGST Rules.
Key Details and Compliance Requirements:
• Mandatory Timeline: Taxpayers (except specific exempted categories) must provide details of their bank account on the GST portal within 30 days of receiving their registration, or before filing their first GSTR-1 or using the IFF (Invoice Furnishing Facility), whichever is earlier.
• Automatic Suspension: If the details are not uploaded within this period, the system will automatically suspend the registration without a manual notice from a tax officer. This action blocks return filing (GSTR-1, GSTR-3B), prevents the generation of e-way bills, and impacts the ability to issue valid invoices and claim Input Tax Credit (ITC).
• Exemptions: This requirement is generally not mandatory for Online Information and Database Access or Retrieval (OIDAR) service providers and Non-Resident Taxable Persons (NRTP), unless an OIDAR service provider has a representative appointed in India.
How to Resolve the Suspension:
To resolve the system-driven suspension for not providing bank details, update your bank account information on the GST portal. After updating the details and successful validation, the system usually restores the registration to “Active” status automatically. If automatic restoration does not occur, you can manually initiate the process on the portal. Maintaining timely compliance helps avoid business interruptions.

Smarter credit note handling in IMS:
The GSTN has enhanced the Invoice Management System to provide taxpayers with more control and flexibility when handling credit notes, which significantly improves compliance and reconciliation.
Key Features of Smarter Credit Note Handling in IMS (Effective October 2025)
These updates resolve long-standing issues where ITC (Input Tax Credit) was automatically reversed, regardless of whether the credit was actually availed.
• Optional ITC Reduction: When a recipient accepts a credit note on the IMS dashboard, they now have a crucial choice:
o Selecting “Yes” will result in a reduction of the available ITC (this is the default option if no action is taken after the pending period).
o Selecting “No” ensures that the Input Tax Credit remains unchanged. This provides practical relief in cases where the ITC was never claimed or had already been reversed in a previous period.
• “Pending” Status: Taxpayers can mark a credit note as “Pending” for a specified period (one tax period for monthly filers or one quarter for quarterly filers). This allows time for verification and internal reconciliation before deciding on a final action.
• Partial ITC Reversal: The system allows for the reversal of ITC only to the extent that it was actually availed, rather than the entire credit note amount. This prevents unnecessary loss of eligible ITC and aligns system data with actual business records.
• Improved Communication: Taxpayers can add remarks when pending or rejecting a record in IMS, which improves transparency and helps suppliers understand and correct issues.
Operational Impact on Taxpayers:
• Increased Responsibility: The onus of verifying and acting on credit notes now falls directly on the recipient taxpayer. Proactive use of the IMS dashboard is essential to avoid “deemed accepted” status for unverified documents, which can lead to compliance issues.
• Streamlined Reconciliation: These features minimize mismatches between GSTR-2B and internal purchase records, reducing the risk of audit notices and penalties.
• Better Cash Flow Management: By ensuring that only the correct amount of ITC is reversed, businesses can protect their working capital.
Businesses are advised to update their internal processes and train staff to leverage these new functionalities effectively for seamless GST compliance. You can log in to the official GST portal to access the IMS dashboard and manage your inward supplies.

New Validation For ITC/RCM Ledgers:
The GST Network (GSTN) has introduced new, mandatory system-based validations for the Electronic Credit Reversal and Re-claimed Statement (ITC Reclaim Ledger) and the RCM Liability/ITC Statement (RCM Ledger).
Previously, the system only issued warning messages for discrepancies, but shortly, GSTR-3B filing will be blocked entirely if the validations fail or if the ledgers show a negative balance.
New Validations for ITC & RCM Ledgers
The core objective of these validations is to ensure that Input Tax Credit (ITC) is claimed accurately and only after the corresponding tax liability has been discharged.
1. ITC Reclaim Ledger (for Reversible ITC)
This ledger tracks ITC that is temporarily reversed (e.g., for non-payment to suppliers within 180 days) and subsequently reclaimed.
• Validation Rule: The ITC reclaimed in Table 4(D)(1) of GSTR-3B cannot exceed the sum of the closing balance of the ITC Reclaim Ledger and the amount of ITC reversed in Table 4(B)(2) in the current period.
• Consequence of Mismatch: If excess ITC is reclaimed (resulting in a negative balance), the GSTR-3B filing will be blocked until the excess amount is reversed in Table 4(B)(2) of the current return. If no sufficient ITC is available, the reversal amount is added to the taxpayer’s cash liability.
2. RCM Liability/ITC Statement (RCM Ledger) – for tracking RCM liabilities paid (Table 3.1(d) of GSTR-3B) and RCM ITC claimed (Tables 4(A)(2) & 4(A)(3)).
It explained how these ledgers:
∙Work on the GST Portal,
∙Must be aligned with GSTR-3B reporting, and
∙Will soon have hard validations that block filing if negative balances or excess ITC claims are detected.
Such validations strengthen accuracy of ITC availment and RCM compliance.

Actionable Steps for Taxpayers:
To ensure smooth GSTR-3B filing and avoid disruptions, taxpayers should take the following actions:
• Regular Reconciliation: Reconcile your ITC records with the data displayed in both the ECR (Electronic Credit Reversal) and Re-claimed Statement and the RCM Liability/ITC Statement on the GST Portal.
• Monitor Ledger Balances: Frequently check the balances in these ledgers via the path: Services > Ledger on the GST portal to ensure they are not negative.
• Correct Discrepancies Proactively: Do not wait for the “hard-stop” validations to be enforced. If a negative balance exists, take immediate corrective action by making additional payments or adjusting current period ITC claims as required.
• Maintain Documentation: Keep clear working papers and a detailed audit trail for all ITC reversals and reclaims for audit readiness.