Next due
All due dates
20 OCTGSTR-3B · Summary return · Sep 2026tomorrow
21 OCTTax Audit Report · Form 3CA/3CB · AY 2026-27 · extended from 30 Sepin 2 days
30 OCTAOC-4 · Financial statements · FY 2025-26in 11 days
7 NOVTDS / TCS deposit · Deducted in Oct 2026in 19 days
11 NOVGSTR-1 · Outward supplies · Oct 2026in 23 days
15 NOVPF & ESI · Contributions · Oct 2026in 27 days
21 NOVITR filing · Audit cases · AY 2026-27 · extended from 31 Octin 33 days
29 NOVMGT-7 / 7A · Annual return · FY 2025-26in 41 days
🏷️ Free Calendar
BIS Certification Calendar 2026–27
Track BIS CRS, ISI mark, FMCS and hallmark certification renewal and surveillance audit schedules.
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FY 2026–27 updated
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📅 Due Dates & Deadlines
BIS Certification Calendar 2026–27
Prepared by TaxClue's CA/CS team. Updated for FY 2026–27.
| Period | Due Date | Compliance Task |
|---|---|---|
| Ongoing | Annual | BIS CRS annual renewal before license expiry |
| Ongoing | Quarterly | Factory surveillance audits (ISI scheme) |
| Ongoing | 6 Monthly | BIS FMCS quarterly compliance reports |
| April 2026 | Apr | First-quarter factory surveillance visit |
| July 2026 | Jul | Mid-year product sample testing |
| October 2026 | Oct | Annual report submission — hallmark centers |
| January 2027 | Jan | Q3 surveillance factory audit |
| March 2027 | 31 Mar | Renewal applications due before expiry |
| Ongoing | 15th of month | BIS post-certification quarterly report |
| Ongoing | On demand | Market surveillance — random product testing |
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