Table of Contents
01. What is digital compliance?
02. E-invoicing: the backbone of GST compliance
03. GST return filing trends in 2025
04. ITR filing: what's new this year
05. Compliance calendar at a glance
06. Risks of non-compliance
07. Your digital compliance checklist
1. What is Digital Compliance?
India's tax ecosystem has undergone a quiet revolution. Where physical invoices and manual reconciliations once dominated, today's businesses operate inside real-time digital mandates — from e-invoicing under GST to pre-filled Income Tax Returns (ITR). For businesses of all sizes, staying compliant is no longer a back-office activity — it is a front-line business requirement.
Digital compliance means fulfilling statutory obligations — GST, TDS, ITR, and audit trails — through government-mandated digital systems. At B M C Associates, we help businesses across Delhi NCR navigate these obligations accurately and on time.
The GSTN processes over 100 crore invoices monthly. Non-compliant businesses risk input tax credit denial, penalties, and scrutiny notices.
This guide walks you through each pillar of digital compliance in 2025: e-invoicing, GST return trends, ITR filing, and a practical compliance checklist your business can use right away.
2. E-Invoicing: The Backbone of GST Compliance
E-invoicing is the system where B2B invoices are authenticated by the Invoice Registration Portal (IRP) before reaching the buyer. Every authenticated invoice carries a unique IRN (Invoice Reference Number) and a QR code. Our GST compliance services cover end-to-end e-invoice setup and integration for your business.
₹5 Cr+
Turnover threshold (FY 2023-24 onwards)
72 hrs
IRP reporting window for invoices
6
Active IRPs integrated with GSTN
Who must generate e-invoices?
• All registered businesses with aggregate annual turnover exceeding ₹5 crore
• Applicable for B2B supplies, exports, and supplies to SEZs
• Exempted sectors: banking, insurance, passenger transport, and cinema (multiplex tickets)
How e-invoicing links to GST returns
Once an IRN is generated, invoice data auto-populates into GSTR-1 (see Section 3 on GST return filing). This eliminates manual entry errors and ensures buyers can claim Input Tax Credit (ITC) without mismatches. Reconciliation gaps between GSTR-1 and GSTR-2B are the leading cause of ITC disputes — e-invoicing resolves this at the source.
Pro tip: Credit notes against an e-invoice must also go through the IRP. Cancellation must happen within 24 hours of generation.
3. GST Return Filing Trends in 2025
GST return compliance has matured considerably since 2017. Three key filing patterns define the landscape. Our team provides corporate advisory and GST support for businesses at every stage.
GSTR-1 and GSTR-3B — the monthly rhythm
GSTR-1 (outward supplies) must be filed by the 11th of each month for monthly filers. GSTR-3B (summary return with tax payment) is due by the 20th. Businesses under the QRMP scheme file GSTR-1 quarterly but pay taxes monthly via a fixed-sum method.
The GSTR-2B matching mandate
GSTR-2B — the static ITC statement — is now the primary document for availing Input Tax Credit. Rule 36(4) limits ITC claims strictly to invoices appearing in GSTR-2B. Timely e-invoice generation by your suppliers is therefore directly critical to your working capital and ITC availability.
Annual returns: GSTR-9 and GSTR-9C
GSTR-9 (annual return) and GSTR-9C (reconciliation statement) are mandatory for businesses above ₹2 crore turnover. FY 2024-25 returns are due December 31, 2025. The government has introduced pre-populated GSTR-9 data — similar to ITR pre-filling — significantly reducing manual effort. Our audit and assurance services cover GSTR-9C reconciliation as part of a structured annual compliance review.
Late fee for GSTR-3B: ₹50/day (₹20 for nil returns), capped at ₹5,000. Consistent delays trigger GSTIN suspension.
4. ITR Filing: What's New in FY 2024-25
The Income Tax Department's AIS (Annual Information Statement) and TIS (Taxpayer Information Summary) now aggregate data from banks, brokers, mutual funds, GST records, and employers — creating a full financial profile before you even open the return. Our direct tax services include AIS reconciliation and ITR filing for individuals, firms, and corporates.
Pre-filled returns and AIS reconciliation
A significant portion of ITR data is now pre-filled from Form 16, Form 26AS, and AIS. The critical step is reconciling this data before submission — discrepancies trigger auto-generated notices under Section 143(1).
New tax regime as default
From AY 2024-25 onwards, the new tax regime is the default. Taxpayers must explicitly opt out to claim deductions under the old regime (80C, HRA, etc.). Evaluate which regime is beneficial for your specific profile before the filing deadline.
ITR-3 and audit requirements
Businesses with turnover above ₹1 crore (₹10 crore if 95% transactions are digital) require a tax audit under Section 44AB. The audit report (Form 3CA/3CB + 3CD) must be filed before the ITR due date. This ties directly to GSTR-9C reconciliation, as GST data is cross-referenced in the tax audit. NRI taxpayers have separate ITR obligations — see our NRI services for details.
Jul 31
ITR due date (non-audit cases)
Oct 31
ITR due date (audit cases)
₹5,000
Late filing fee (after July 31)
5. Compliance Calendar at a Glance
Mapping deadlines to your business calendar prevents last-minute rushes and costly penalties. Businesses with foreign exchange transactions should additionally track FEMA & RBI compliance timelines.
Period
Key Deadlines
Apr – Jun
GSTR-1 monthly filings; TDS Q4 return (Form 24Q/26Q) due May 31; TDS certificates issued to employees by June 15.
Jul 31
ITR filing due date for non-audit taxpayers. Begin AIS reconciliation early — do not wait until the last week.
September
GSTR-3B for August due September 20. Advance tax second instalment (45% of estimated tax) due September 15.
Oct 31
ITR due date for audit cases. Form 3CA/3CB + 3CD must be filed. GSTR-9C filing begins.
Dec 31
GSTR-9 and GSTR-9C annual return deadline. Belated/revised ITR deadline for the financial year.
6. Risks of Non-Compliance
Tax authorities now use AI-driven analytics to flag mismatches across e-invoice records, GST filings, and ITR disclosures. The stakes are higher than ever. Our proactive compliance model is designed specifically to prevent these risks before they become notices.
• ITC denial if supplier has not filed GSTR-1 or generated valid e-invoices
• Section 16(4) restrictions limit ITC claims to the November return of the following year
• Penalty of 100% of tax evaded under Section 74 for deliberate non-compliance
• Suspension or cancellation of GSTIN for persistent non-filers
• Interest at 18% per annum on delayed GST payments; 1% per month on late TDS deposits
The GSTN's LEAP portal actively flags high-risk taxpayers based on return mismatch scores, ITC reversal patterns, and e-invoice gaps.
Businesses involved in import/export or foreign investments also face other regulatory compliance obligations under RBI and FEMA that overlap with GST and income tax timelines.
7. Your Digital Compliance Checklist
Use this checklist alongside the compliance calendar in Section 5 for a complete view of your FY 2025-26 obligations. If you are starting a new business, begin with our Starting Business in India guide to set the right compliance foundation from day one.
E-invoicing & GST
• Register on IRP (e-invoice portal) if turnover exceeds ₹5 crore
• Integrate your ERP or accounting software with IRP API for auto-IRN generation
• Reconcile GSTR-2B with purchase register every month before filing GSTR-3B
• File GSTR-9 and GSTR-9C by December 31 each year
Income tax & audit
• Download and review AIS/TIS on the Income Tax Portal before filing ITR
• Decide old vs new tax regime before April 1 of each financial year
• Engage a Chartered Accountant for tax audit if turnover exceeds the threshold
• File ITR on time — late filing attracts ₹5,000 fee and interest under Section 234A
Technology & records
• Maintain digital records for at least 6 years (required under GST Act)
• Enable two-factor authentication on GST portal and Income Tax portal logins
• Automate TDS deduction and deposit through payroll software
Need help navigating your compliance roadmap?
Our team can help you set up e-invoicing, review your GST reconciliation, and plan your ITR filing strategy — all in one engagement.
Contact B M C Associates today →