GST news and updates must be tracked by every business for ensuring timely and 100% compliance. Read on to get the latest developments from CBIC, GST Council and GST Network/portal on GST returns and compliances, e-way bills and e-invoicing systems. Latest GST News 1. 2025 GST Updates 29th December 2025 As per advisory dated 29th December 2025, the GST portal will soon implement hard validations instead of just warnings for negative balance in ECRS and RCM liability ledgers as well as any excess ITC reclaims. As per the same advisory, shortly, taxpayer cannot proceed to file their GSTR-3B where the ITC claimed in Table 4D(1) of GSTR-3B exceeds the closing balance in the Electronic Credit Reversal and Re-claimed Statement (ITC reclaim ledger) and the ITC reversed in Table 4B(2) of the current return period putting together.