CA Compliance Calendar 2026-27 — Never Miss a Client's Deadline Again
TaxZeo's compliance calendar automatically tracks every statutory deadline for every client — GST, TDS, ITR, ROC, advance tax, and more. No spreadsheets, no missed deadlines.
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Complete CA Compliance Calendar 2026-27
Every statutory due date for Indian CA firms — GST, TDS, ITR, ROC, advance tax, ESI, and PF. TaxZeo tracks all of these automatically.
| Compliance | Form / Return | Due Date | Frequency | Penalty for Late Filing |
|---|---|---|---|---|
| GSTR-1 | GSTR-1 | 11th of following month | Monthly | Late fee ₹50/day, max ₹10,000 |
| GSTR-3B | GSTR-3B | 20th (monthly), QRMP 22nd/24th | Monthly/QRMP | Late fee + 18% interest |
| GSTR-9 Annual Return | GSTR-9 | 31st December | Annual | ₹200/day, max 0.25% of turnover |
| TDS Payment | Challan 281 | 7th of following month (30th April for March) | Monthly | Interest 1.5%/month |
| TDS Return | 24Q / 26Q | 31st July, 31st Oct, 31st Jan, 31st May | Quarterly | ₹200/day under Sec 234E |
| Advance Tax (15%) | Q1 | 15th June | Quarterly | Interest under Sec 234B/234C |
| Advance Tax (45%) | Q2 | 15th September | Quarterly | Interest under Sec 234B/234C |
| Advance Tax (75%) | Q3 | 15th December | Quarterly | Interest under Sec 234B/234C |
| Advance Tax (100%) | Q4 | 15th March | Quarterly | Interest under Sec 234B/234C |
| ITR Filing (non-audit) | ITR-1 to ITR-4 | 31st July 2026 | Annual | ₹1,000–₹5,000 under Sec 234F |
| ITR Filing (audit cases) | ITR-3/ITR-5/ITR-6 | 31st October 2026 | Annual | ₹1,000–₹5,000 under Sec 234F |
| Tax Audit | Form 3CA/3CB/3CD | 30th September 2026 | Annual | Penalty under Sec 271B |
| ROC Annual Return | MGT-7 / MGT-7A | 60 days from AGM | Annual | ₹100/day |
| ROC Financial Statements | AOC-4 | 30 days from AGM | Annual | ₹100/day |
| ESI Return | Half-yearly | 11th May and 11th Nov | Half-yearly | Penalty + damages |
| PF Return | Monthly ECR | 15th of following month | Monthly | Damages 5–25% |
Due dates are indicative for FY 2026-27. Always verify with the official CBIC / MCA / EPFO portals or your professional advisor.
How TaxZeo Automates Your Compliance Calendar
From client setup to automated reminders — four steps to a fully-automated compliance workflow.
Configure Clients
Add each client and enable the compliance types applicable to them — GST, TDS, ITR, ROC, ESI, PF.
System Auto-Generates Deadlines
TaxZeo populates a full compliance calendar for every client based on their profile — no manual entry of due dates.
Team Tracks Status
Staff update filing status directly in TaxZeo. Partners see real-time progress across all clients from one dashboard.
Automated Reminders Sent
Email, in-app, and WhatsApp reminders go out to CA staff and clients at configurable intervals before each deadline.
Frequently Asked Questions
Common questions about CA compliance calendars and TaxZeo.
What is a CA compliance calendar?▾
What are the key GST due dates for 2026-27?▾
What are the ITR due dates for 2026-27 (AY 2026-27)?▾
How does TaxZeo track compliance deadlines automatically?▾
Does TaxZeo send compliance deadline reminders?▾
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