Form ADT-3 —
Resignation of
Auditor Filing
When a statutory auditor resigns from a company, Form ADT-3 must be filed with the ROC within 30 days of resignation. The resigning auditor files this form — not the company. Late filing attracts a ₹50,000 minimum penalty on the auditor personally. TaxClue helps auditors and companies manage this filing correctly and on time.
What Is Form ADT-3 and Why Does It Exist?
Under Section 140(2) of the Companies Act, 2013, when a statutory auditor resigns from a company, they are legally required to file Form ADT-3 with the Registrar of Companies (ROC) within 30 days of the date of resignation. The form is filed by the auditor — not the company — and must include a statement indicating the reasons for resignation and whether there are any concerns about the company's affairs that the auditor believes the ROC or the Central Government should be aware of.
The requirement exists to ensure transparency — to prevent auditors from resigning silently when they discover financial irregularities, fraud, or governance failures. By mandating a public disclosure at the time of resignation, the law creates accountability for both the auditor (who must explain the reasons) and the company (whose issues become a matter of regulatory record).
Critical: ADT-3 is the auditor's obligation — not the company's. If the auditor fails to file within 30 days, the auditor personally faces a minimum penalty of ₹50,000 and up to 5× the annual audit fees. This penalty applies to the CA firm / auditor — not to the company. Act immediately on resignation.
ADT-3 vs ADT-1 — Two Sides of the Same Event
When an auditor resigns, two filings typically happen: ADT-3 is filed by the resigning auditor within 30 days (mandatory — penalty for non-filing on auditor). ADT-1 is filed by the company within 15 days of appointing the replacement auditor at a general meeting or Board Meeting (for casual vacancy). Both filings are required — ADT-3 closes the resigning auditor's obligation; ADT-1 records the new appointment. TaxClue manages both filings as a bundled engagement to ensure seamless transition.
ADT-3 Scenarios — When This Form Is Triggered
ADT-3 is triggered specifically when a statutory auditor resigns mid-term — before completing their appointed tenure. It is not required when the auditor's term expires naturally at the conclusion of the AGM.
When Does ADT-3 NOT Apply?
ADT-3 is not required when: (i) the auditor's tenure expires naturally at the AGM (this is retirement, not resignation), (ii) the company removes the auditor through a special resolution under Section 140(1) — the company files a different process in that case, (iii) the auditor was never formally appointed (e.g., acting/interim arrangements). ADT-3 applies only to a mid-term voluntary resignation by the appointed statutory auditor.
Consequences of Not Filing ADT-3 in Time
Section 140(3) of the Companies Act imposes a mandatory penalty on the auditor who fails to file ADT-3 within the 30-day window. This penalty is on the auditor personally — the company bears no penalty for the auditor's non-filing obligation.
ICAI Disciplinary Action — Separate from MCA Penalty
In addition to the MCA penalty under Section 140(3), an auditor who fails to file ADT-3 — particularly in cases where concerns about fraud or irregularities were present at the time of resignation — can face disciplinary proceedings by ICAI under the Chartered Accountants Act, 1949. In serious cases, this can result in suspension of the CA's certificate of practice. TaxClue strongly recommends filing ADT-3 immediately upon resignation — even if late — to mitigate both MCA and ICAI exposure.
How TaxClue Handles ADT-3 Filing
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1
Draft and Issue Resignation Letter to the Company
The resigning auditor prepares a formal resignation letter addressed to the Board of Directors / Managing Director of the company — specifying the effective date of resignation and the reasons (at least in general terms). TaxClue drafts the resignation letter ensuring it contains all legally required elements and creates a clean record for the ADT-3 filing.
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2
Company Acknowledges Resignation — Board Resolution
The company's Board convenes (can be a shorter notice meeting for casual vacancy) to take note of the auditor's resignation and record it by way of Board Resolution. TaxClue prepares the Board Resolution text for the company. The Board also resolves to fill the casual vacancy under Section 139(8).
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3
Prepare ADT-3 Statement of Reasons
TaxClue assists the resigning auditor in preparing the Statement of Reasons to be attached to ADT-3 — covering: (i) reasons for resignation, (ii) whether there are any concerns about the company's affairs that should be brought to the notice of the ROC or Central Government (mandatory disclosure under Section 140(2) proviso). The statement must be accurate, complete, and carefully worded to protect the auditor's professional standing.
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4
Complete Form ADT-3 on MCA V3
Form ADT-3 is filled on the MCA V3 portal under the company's CIN. The form captures: CIN of the company, date of resignation, reasons for resignation, and whether any concerns are being reported to ROC. The Statement of Reasons is uploaded as an attachment. TaxClue prepares the complete form for the auditor's review before DSC signing.
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5
Sign with Auditor's DSC and File on MCA V3
ADT-3 is signed with the auditor's DSC — not the company director's DSC. This is a critical distinction: the filing is the auditor's obligation and must be authenticated by the auditor. TaxClue coordinates DSC signing with the CA firm and submits the form on MCA V3, sharing the SRN acknowledgement immediately upon acceptance.
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6
Coordinate ADT-1 for Replacement Auditor
After ADT-3 is filed, TaxClue simultaneously coordinates ADT-1 for the company — covering the appointment of the replacement auditor to fill the casual vacancy. Under Section 139(8), the Board can appoint a replacement to fill the vacancy, and ADT-1 must be filed within 15 days of the appointment. TaxClue manages both filings as a single engagement to ensure seamless auditor transition.
What TaxClue Needs to File ADT-3
TaxClue Prepares the Statement of Reasons — Protecting the Auditor
The Statement of Reasons in ADT-3 is the most legally sensitive part of the filing. It must disclose genuine reasons without understating concerns (ICAI risk) or overstating them without evidence (defamation risk). TaxClue's CA reviews the facts of each case and drafts a carefully balanced statement that fulfils the auditor's disclosure obligations under Section 140(2) while protecting their professional interests.
ADT-3 — Common Questions
Yes — the company has two immediate obligations: (i) convene a Board Meeting to take note of the auditor's resignation and resolve to fill the casual vacancy under Section 139(8) by appointing a replacement auditor, and (ii) once the replacement is appointed, file Form ADT-1 with the ROC within 15 days of the Board's appointment of the new auditor. The company also needs to ratify the replacement auditor's appointment at the next AGM. TaxClue manages both the company's ADT-1 obligation and the outgoing auditor's ADT-3 filing simultaneously.
The Statement of Reasons must contain: (i) the specific reasons for resignation — these can be professional (capacity constraints, conflict of interest, relocation) or substantive (management non-cooperation, inability to obtain audit evidence, suspicion of fraud); (ii) a declaration of whether there are any matters that the auditor believes should be brought to the attention of the ROC or Central Government under the proviso to Section 140(2). If fraud or serious irregularities are suspected, the auditor has a duty to disclose — failure to do so can attract ICAI disciplinary action and potential personal liability. TaxClue helps structure the disclosure appropriately for each situation.
The 30-day period is counted from the date of the resignation letter — not from the date the company acknowledges it or passes a Board Resolution. This means the clock starts ticking the moment the auditor sends the resignation letter, regardless of when the company responds. If the auditor waits for the company's acknowledgement before filing ADT-3, they risk missing the 30-day window. TaxClue advises auditors to begin preparing ADT-3 simultaneously with sending the resignation letter — not after.
The penalty under Section 140(3) is a mandatory adjudicated penalty — not an automatic government fee. The ROC must formally adjudicate the penalty by issuing a show-cause notice. Until the ROC initiates adjudication, filing ADT-3 late (with the applicable ₹100/day government late fee) is the only available remedy. TaxClue's advice: file immediately even if late — the longer the delay, the higher the MCA late fee and the stronger the adjudication case against the auditor. Some auditors have successfully responded to adjudication notices with explanations of bonafide delay (illness, lack of awareness of the filing requirement) — TaxClue assists with adjudication response preparation as well.
Yes — Section 140(2) explicitly contemplates mid-term resignation by recognising the 30-day ADT-3 filing requirement. An auditor appointed for a 5-year term under Section 139(1) can resign at any point during the tenure for professional or personal reasons. However, early resignation can have professional consequences — particularly if the auditor is aware of irregularities and resigns to avoid responsibility (ICAI may view this as a professional failure). TaxClue advises auditors considering mid-term resignation on both the procedural (ADT-3 timeline) and professional (statement of reasons, disclosure obligations) dimensions before the resignation letter is issued.
This is a nuanced area. If the company simply does not renew the engagement letter for the next year — without a formal resignation letter from the auditor — it may be treated as the company declining to reappoint (which is a different legal situation from resignation). However, if the auditor sends written communication declining to continue (even if worded as "not wishing to be reappointed"), MCA may treat it as a resignation triggering the ADT-3 obligation. TaxClue's advice: when in doubt, file ADT-3. The cost of filing is minimal compared to the ₹50,000+ penalty risk. TaxClue reviews the specific facts of each case to determine whether ADT-3 is required.
File ADT-3 — Before the Penalty Hits
TaxClue handles ADT-3 for resigning auditors — resignation letter drafting, Statement of Reasons, MCA V3 filing with auditor's DSC, and coordinating ADT-1 for the replacement auditor. Same-day filing on urgent basis.
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