GSTAT Cohort-D With 35 Days Left to the June 30 2026 Cut-Off: The 5 NIC Portal Filing Errors Killing Practitioner Throughput, Section 112(8) Pre-Deposit Mechanics Under Rule 123 of the GSTAT Procedure Rules 2025, Section 112(6) Condonation Map to September 28 2026, and the Week-by-Week Sprint Template for the Final Filing Window
GSTAT Cohort-D closes June 30, 2026 with 35 days remaining as of May 26, 2026. Five NIC portal filing errors are killing practitioner throughput: cohort mismatch on Form APL-05, pre-deposit miscalculation on multi-period orders, missing Order-in-Original, challan dated before OIA, and grounds drafted on legacy Finance Act 1994 / state VAT framework. Section 112(8) pre-deposit mechanics, Section 112(6) condonation map to September 28, 2026, and the 5-week filing sprint template.