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Form ADT-1 MCA for Auditor Appointment – Process & Due Date

Updated on January 29, 2026 06:05:22 AM

The Form adt-1 is a legal filing that needs to be done to intimate the Ministry of Corporate Affairs (MCA) and the Registrar of Companies (ROC) about the appointment or re-appointment of the statutory auditor of the company. As per the provision under Section 139(1) of the Companies Act, 2013, it is necessary that, except for One Person Companies, it is mandatory that the company appoint an auditor at its first Annual General Meeting (AGM) and intimate the ROC by submitting the adt-1 form. This is applicable for all types of companies, like private, public, listed, or unlisted.

The adt 1 filing holds key information like the name of the auditor, CRN, and tenure of appointment, as well as written consent for acting as the statutory auditor of the company. The filing of adt 1 needs to be done within 15 days of the conclusion of the AGM, within which the auditor has been appointed or re-appointed. If the adt-1 form is not filed within the stipulated timeframe, extra fees apply, for which the amount increases by the day that has lapsed since the deadline for filing the adt-1.

Form ADT‑1 Explanation Image

What is Form ADT-1?

Form adt-1 is a prescribed corporate filing form under the Companies Act, 2013, and is used to update the statutory registry maintained by the Registrar of Companies ( ROC). The adt 1 form serves as the official filing that records and retains the details of the auditor in the Ministry of Corporate Affairs MCA database.

Functionally, the role of adt 1 is that of a compliance record, establishing the association between the company and its appointed auditor for a predetermined number of years. The details provided in the adt 1 form include the primary identification details about the auditor, representing a point of future compliance verification by the regulatory authority. The purpose of maintaining correct and updated information through the adt-1 form is to maintain consistency in the disclosures made by the company.

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When Should the Form ADT-1 be Filed with MCA?

When-Should-the-Form-ADT-1-be-Filed-with-MCA

ADT-1 Form is required to be filed with the Registrar of Companies within 15 days of the Annual General Meeting in which the Auditor was appointed or reappointed. For example, if the company's AGM was held on 30th September 2021, the company must file the Form ADT-1 on the MCA portal by 14th October 2021.

Form ADT-1 must be filed within 15 days from the company's first board meeting in case of new incorporation of a company. The first board meeting is required to be conducted within 30 days of incorporation in which the board of directors appoints the Auditor of the company.

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Documents Required to be Filed With Form ADT-1

  1. Copy of Company’s Board Resolution
  2. Written Consent from the Auditor for appointment
  3. Certificate from Auditor that he/she is not disqualified from being appointed as an Auditor u/s 141
  4. Copy of Intimation given by the company to the Auditor
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Fees of Filing Form ADT-1 on MCA Portal

The fees of filing Form ADT-1 with the registrar of companies are as follows:

Serial No. Share capital of company (₹) Fees (₹)
1 Less than 1 lakh 200
2 Between 1,00,000 and 4,99,999 300
3 Between 5,00,000 and 24,99,999 400
4 Between 25,00,000 and 99,99,999 500
5 1,00,00,000 or above 600
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Penalty on Late Filing of Form ADT-1

Failure to file Form ADT-1 on time or late filing will lead to a penalty which are as follows:

Serial No. Delay in Filing (No. of Days) Penalty Applicable
1 Upto 30 days Twice the Normal Fees
2 Between 30 days to 60 days 4 times of Normal Fees
3 Between 60 days to 90 days 6 times of Normal Fees
4 Between 90 days to 180 days 10 times of Normal Fees
5 More than 180 days 12 times of Normal Fees
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Important Points regarding Form ADT-1

Important-points-form-ADT-1
  1. All the companies must file Form ADT-1 whether it is a listed, unlisted, private, public, or other company.
  2. It is the company’s responsibility to file Form ADT-1, not the auditor.
  3. The company is required to file Form ADT-1 even when the appointment of an auditor is for a casual vacancy.
  4. It is believed generally that Form ADT-1 is not required to be filed for the appointment of the first auditor because rule 4(2) of company rules, 2014 mentions only about section 139(1) - appointment of auditors and not about section 139(6) - appointment of the first auditor. However, filing Form ADT-1 for the appointment of the first auditor is recommended and is a good practice.
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Frequently Asked Questions (FAQs)

What is ADT 1?

ADT-1 is an intimation form which is used to inform the registrar of companies about the appointment of its auditor every year.

Should I file ADT 1 for the first auditor?

Yes, filing Form ADT-1 for the appointment of the first auditor is recommended and is a good practice.

When to file ADT 1?

Form ADT-1 needs to be filed by every company within 15 days from the date of annual general meeting or first board meeting.

Is ADT 1 mandatory for OPC?

Yes, it is mandatory for One Person Company to file Form ADT-1 every year.

Whose responsibility it is to file ADT-1?

It is the company’s responsibility to file Form ADT-1, not the auditor.

Is it necessary to file ADT 1 every year?

Yes. As per section 139(1) of the Companies Act, 2013, it is mandatory for every company to inform the ROC about the appointment of its auditor in ADT-1 Form.

Are companies required to obtain immunity certificates for DPT-3 and other forms?

Companies are required to obtain immunity certificates for DPT-3 and other forms only when such immunity schemes are notified by the MCA, as these certificates protect companies from penalties or prosecution for past non-compliances once the required forms are filed correctly within the specified timeline.

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