Understanding Form ADT-3: Auditor Resignation Statement

Understanding Form ADT-3: Auditor Resignation Statement

Form ADT-3 is the statutory statement an auditor must file when resigning before the end of their appointed term. Under section 140(2) of the Companies Act, 2013, the resigning auditor — not the company — must file ADT-3 with the Registrar of Companies (RoC) through the MCA V3 portal within 30 days of resignation. The form captures the reasons for stepping down and any material concerns about the audit. Missing the deadline triggers adjudicated penalties of up to Rs. 5 lakh. Beyond compliance, ADT-3 is one of the most closely read governance disclosures in the Indian corporate ecosystem.

When ADT-3 Is Triggered — and When It Is Not

ADT-3 applies specifically when an auditor voluntarily resigns mid-tenure. This is the key trigger, and it is narrower than it sounds.

ADT-3 IS required when:

• A statutory auditor resigns before completing their five-year term under section 139(1)
• A casual vacancy auditor — appointed under section 139(8) to fill an earlier vacancy — resigns before the next AGM
• A joint auditor, where one of the joint auditors resigns mid-term

ADT-3 is NOT required when:

• The auditor's term expires and they are simply not reappointed (section 139 — this is expiry, not resignation)
• An auditor is removed by the company under section 140(1) via a special resolution (the company files a different procedure; ADT-3 is the auditor's own filing)
• The company goes into liquidation and the appointment is extinguished by operation of law

Getting this distinction wrong is surprisingly common. A sole proprietor CA who completes their five-year block at a private limited company and is not reappointed at the AGM does not need to file ADT-3. An auditor who sends a resignation letter to the board on 15 March 2026, nine months into a five-year term, does.

The Statutory Timeline: The 30-Day Clock Starts on Resignation Date

Section 140(2) is unambiguous: the auditor must file ADT-3 within 30 days from the date of resignation.

The clock starts from the date on the resignation letter, not from the date the company accepts the resignation or the date the new auditor is appointed. This is a critical nuance — resignation under company law is generally effective when communicated, not when acknowledged.

Key dates to track

If resignation is communicated on 1 April 2026, ADT-3 must be filed by 30 April 2026. If that date falls on a public holiday, file on the preceding working day — do not assume the MCA extends deadlines automatically.

What ADT-3 Captures: A Field-by-Field Walkthrough

The form on MCA V3 is structured around the following disclosures. Understanding each field helps you draft a complete, defensible resignation statement.

Company and appointment details

• CIN (Corporate Identity Number) — auto-populates company name, registered office, and incorporation date from the MCA master
• Date of original appointment — the date the auditor was first appointed to this term, not the date of ratification at a subsequent AGM
• Period of appointment — state the full term (e.g., "5 years from 29 September 2023 to the conclusion of AGM 2028")
• Date of resignation — the date on the formal resignation letter

Reasons for resignation

This is the substantive part of the form. MCA V3 requires the auditor to state reasons in a text field, and there is no word limit. The field is public record once the form is approved. You must include:

• The factual basis for the decision
• Any matters of material concern regarding the financial statements, internal controls, related party transactions, or company conduct that the auditor believes the regulator should know about
• Whether those concerns were communicated to the audit committee or the board before resignation

DSC authentication

• Class 3 DSC of the resigning auditor (individual, not firm) is mandatory
• If the audit firm is a partnership or LLP, the DSC of the signing partner is used
• MCA V3 validates the DSC against the auditor's details registered in the portal

Filing ADT-3 on MCA V3: Step-by-Step

As of FY 2026-27, ADT-3 is filed entirely online on the MCA V3 portal at mca.gov.in. There is no physical filing option.

1. Log in to MCA V3 using the auditor's registered user ID (not the company's). If the auditor is not registered on MCA V3, create a Professional User account first — this takes 24-48 hours for verification.
2. Navigate to e-Filing → Company Forms Filing → ADT-3. Do not confuse this with ADT-1 (new auditor appointment) or ADT-2 (application for removal).
3. Enter the CIN of the company. Company details auto-populate. Verify the registered office address and authorised capital against the latest MCA master data.
4. Complete the appointment details section — date of original appointment and tenure.
5. Enter the date of resignation exactly as it appears on the resignation letter. A mismatch will be flagged at validation.
6. Draft the reasons for resignation in the free-text field. Paste from a Word document for accuracy; MCA V3 does not retain draft versions.
7. Upload supporting documents: the signed resignation letter (PDF, max size as notified by MCA), and any correspondence with the audit committee if referenced in the reasons.
8. Affix Class 3 DSC of the resigning auditor. The system will prompt you to download the signing utility if not already installed.
9. Review the pre-scrutiny report generated by the portal. Address any validation errors before submission.
10. Pay filing fees as applicable. Fees are as notified by the MCA and vary by authorised share capital of the company.
11. Submit and download the SRN (Service Request Number). Store the SRN and the acknowledgement PDF — these are your proof of timely filing if a penalty notice arrives later.

One practical note: MCA V3 sessions time out in approximately 20 minutes of inactivity. Prepare all content offline before you log in.

Penalties for Late or Non-Filing: Worked Rs. Example

Section 140(3) governs penalties for failure to comply with section 140(2). Penalties are adjudicated by the RoC — not by a court — which means the Registrar can initiate proceedings suo motu without any complaint.

The penalty structure:

• Base penalty: Rs. 50,000 or the remuneration of the auditor from that company, whichever is lower
• Continuing default: Rs. 500 per day for each day after the first day of default
• Maximum cap on continuing default: Rs. 5,00,000

Worked example: 81-day delay

Facts:

• CA Arjun Mehta resigns from XYZ Pvt. Ltd. effective 1 April 2026
• His annual statutory audit fee for that company: Rs. 4,80,000
• ADT-3 filing deadline: 30 April 2026
• Actual filing date: 20 July 2026 (81 days late — 81 days after the 30-day window closed)

Penalty calculation: | Component | Calculation | Amount | |---|---|---| | Base penalty | Lower of Rs. 50,000 and Rs. 4,80,000 | Rs. 50,000 | | Continuing default | Rs. 500 × 81 days | Rs. 40,500 | | Total potential penalty | | Rs. 90,500 |

If CA Mehta's remuneration had been, say, Rs. 35,000 per annum (common in small private companies), the base penalty would be Rs. 35,000, not Rs. 50,000 — the "lower of" logic protects low-fee engagements from disproportionate penalties while still penalising delay.

At the extreme end, if the auditor never files and the RoC initiates action 300 days after the resignation date, the continuing default component alone could reach Rs. 1,50,000 (Rs. 500 × 300 days), and the total could hit Rs. 2,00,000 or more — capped at Rs. 5,50,000 (base + cap on continuing default).

The takeaway: file within 30 days, every time. The penalty is proportional to the delay, not a fixed fine.

Drafting the Resignation Statement: What to Say — and What Not To

The reasons section of ADT-3 is the most consequential paragraph a resigning auditor will write. It is a public document. SEBI uses ADT-3 filings as a risk signal when reviewing listed companies. Lenders' credit teams check them before loan renewals. Incoming auditors treat them as a due diligence starting point.

Phrases that invite regulatory scrutiny

Vague reasons such as "pre-occupation with other assignments", "personal reasons", or "professional constraints" are red flags for the RoC and SEBI. Regulators treat vagueness as potential concealment. In several adjudication orders, auditors who cited "personal reasons" for resignations at companies later found to have accounting irregularities faced professional proceedings under the Chartered Accountants Act, 1949.

What factual disclosure looks like

A defensible ADT-3 reason statement does this:

• Ties the resignation to a specific event or pattern, e.g., "Management declined to provide confirmations from related parties for transactions aggregating Rs. X, despite written requests dated [date] and [date]."
• References prior audit committee communication, e.g., "These concerns were communicated to the Audit Committee chairperson on [date]. No satisfactory resolution was received."
• Avoids speculation and hearsay — state what you observed, not what you suspect.
• Notes whether financial statements were qualified, e.g., "The FY 2024-25 audit report contained an Emphasis of Matter paragraph regarding [specific issue]."

Professional ethics boundary

ICAI's Code of Ethics permits disclosure of client information in the public interest — but the bar is set carefully. An ADT-3 is one of the recognised contexts for this disclosure. Still, avoid naming individuals, speculating on intent, or making allegations you cannot support with documented evidence in your audit file. The standard is factual accuracy, not exhaustive accusation.

The resignation letter itself

Keep a signed copy of the physical resignation letter in your permanent audit file alongside:

• Copies of emails/letters to the audit committee regarding unresolved concerns
• Management representation letters (or absence thereof)
• Notes of discussions with the audit committee chairman
• Your working papers for the last completed audit period

These documents are your defence if a regulatory enquiry follows — and where governance failures are involved, enquiries sometimes do.

The Company's Parallel Obligations Under Section 139(8)

While the auditor files ADT-3, the company has its own compliance cycle to complete.

Section 139(8) — casual vacancy filling:

• The Board of Directors must fill the vacancy created by resignation within 30 days
• For a public company, the appointment is made by the Board but must be approved by shareholders at the next general meeting held within three months of the Board appointment
• The appointed auditor holds office until the conclusion of the next Annual General Meeting

ADT-1 filing: Within 15 days of the Board appointing the casual vacancy auditor, the company must file Form ADT-1 on MCA V3. ADT-1 and ADT-3 together create a clean audit continuity record in the RoC's system.

Section 177 audit committee obligation: Before appointing the casual vacancy auditor, the audit committee must make a recommendation to the Board. Bypassing this step — even in a rush to fill the vacancy — is a section 177 violation.

For listed companies (Regulation 30 of SEBI LODR, 2015):

• Resignation of a statutory auditor is a material event requiring disclosure to the stock exchanges within 24 hours
• The disclosure must include the name of the outgoing auditor, effective date of resignation, and — where available — the reasons stated by the auditor
• Failure to disclose within 24 hours can attract SEBI adjudication proceedings against the company independently of any MCA penalty on the auditor

Common Mistakes and Pitfalls to Avoid

Mistake 1: The company files ADT-3 instead of the auditor

ADT-3 is the auditor's filing. It cannot be delegated to the company or its secretarial team. The DSC requirement alone enforces this — only the resigning auditor's Class 3 DSC will be accepted.

Mistake 2: Counting 30 days from the effective date, not the resignation date

If the resignation letter is dated 1 April but states "effective from 1 May", the 30-day ADT-3 clock still starts from 1 April. The effective date is an internal arrangement with the company; the RoC cares about when the resignation was communicated.

Mistake 3: Filing ADT-3 before the resignation letter is sent

Auditors sometimes prepare the ADT-3 in advance and file it before delivering the resignation letter to the company. This creates a documentary inconsistency — the company has no record of the resignation on the date the ADT-3 shows. Always send the resignation letter first, then file ADT-3.

Mistake 4: Using vague reasons to avoid conflict with the client

As described above, vague reasons invite scrutiny. More importantly, they expose the auditor to professional risk if problems surface later. The safer path is factual, measured disclosure.

Mistake 5: Ignoring DSC registration on MCA V3

Many auditors maintain active DSCs but do not update their registration on MCA V3 after renewing the token or changing the DSC class. An expired or unregistered DSC will block submission. Check your DSC status on MCA V3 before you're under a deadline.

Mistake 6: Forgetting to file ADT-1 for the new appointment

Companies caught up in the auditor transition often delay or overlook ADT-1 for the casual vacancy auditor. ADT-1 has its own late fee structure — Rs. 100 per day of delay under section 403 — and a missing ADT-1 creates a gap in the audit continuity record that can trigger RoC notices during annual filing review.

What Happens When the Incoming Auditor Reviews ADT-3

The incoming auditor is not merely a passive reader of ADT-3. Under ICAI's ethical framework, before accepting the appointment, the incoming auditor should:

1. Communicate with the outgoing auditor to understand whether there are professional reasons why they should not accept the appointment — even if those reasons are not fully disclosed in the ADT-3 itself
2. Review prior-period financials and audit reports for qualifications, emphasis of matter paragraphs, and key audit matters that carry forward
3. Assess going concern — a resignation mid-tenure is itself a going concern signal to evaluate
4. Request access to prior working papers — the outgoing auditor is not obliged to share working papers, but a refusal to facilitate handover is itself a data point

If the ADT-3 cites concerns about related party transactions, management override of controls, or unexplained accounting estimates, the incoming auditor must treat these as direct inputs to their risk assessment under SA 315 (Identifying and Assessing the Risks of Material Misstatement). Walking into an engagement without reading the predecessor's ADT-3 is not just a missed opportunity — it could expose the incoming auditor to professional liability.

Key Takeaways

• ADT-3 is the auditor's filing, not the company's. File it on MCA V3 within 30 days of the date on the resignation letter.
• The penalty for non-filing under section 140(3) is Rs. 50,000 or auditor remuneration (lower of the two), plus Rs. 500 per day of continuing default, up to Rs. 5 lakh. A delay of 81 days on a Rs. 4.8 lakh engagement costs Rs. 90,500.
• The reasons section is a public document. Factual, specific disclosure protects you professionally; vague language invites regulatory suspicion.
• The company must act within 30 days to appoint a casual vacancy auditor under section 139(8), followed by ADT-1 filing within 15 days of that appointment.
• Listed companies must intimate stock exchanges within 24 hours of auditor resignation under SEBI LODR Regulation 30 — independent of MCA obligations.
• Incoming auditors must read ADT-3 as a risk document and communicate with the outgoing auditor before accepting the appointment.
• Common failure points are: wrong clock start date, DSC not registered on MCA V3, vague reasons, and forgetting ADT-1 for the replacement auditor.