3b (121).mp4 -

: Starting in January 2026, the GST portal will trigger a "red alert" for taxpayers with negative ITC reclaims or RCM (Reverse Charge Mechanism) liability issues.

: As of October 2025, any data entry mistakes are significantly harder to fix; specific correction options have been introduced to address these locked records.

The number "121" typically corresponds to specific technical sections or versioned updates within tax advisory content, such as the MX121 A/V Control Center manual which is unrelated to tax, or more likely, specific professional guidance videos. 3b (121).mp4

Watch these expert walkthroughs to handle recent GSTR-3B system changes and avoid filing errors:

: From February 2026, a mandatory "Tax Liability Breakup" tab is auto-populated based on document dates in GSTR-1. Taxpayers must confirm this breakup to resolve filing errors . : Starting in January 2026, the GST portal

Recent "solid" updates for GSTR-3B filers emphasize several critical system changes:

The video "solid post regarding 3b (121).mp4" likely refers to a popular update concerning , a self-declared summary GST return required for taxpayers to report sales, claim Input Tax Credit (ITC) , and pay net tax. Watch these expert walkthroughs to handle recent GSTR-3B

: System updates slated for April 2025 include the locking of GSTR-3B and changes to HSN reporting in Table 12.