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How to Appoint a Statutory Auditor: First Auditor, Five-Year Term and ADT-1

Auditor appointment: board names first auditor within 30 days of incorporation, AGM appoints for five years, ADT-1 within 15 days, consent letter.

By Refogo Editorial TeamUpdated 3 min read2 sources cited

Short answer

The board appoints the first auditor within 30 days of incorporation; if it fails, shareholders do so within 90 days. The first auditor holds office until the first AGM, where shareholders appoint an auditor for five years, until the sixth AGM. Obtain the auditor's written consent and eligibility certificate before appointment, and file ADT-1 within 15 days of the AGM.

First auditor
Board, within 30 days of incorporation
If board fails
Members at EGM within 90 days
Regular term
5 years (AGM to sixth AGM)
Annual ratification
Not required since 2018
ROC form
ADT-1 within 15 days
Casual vacancy
Board within 30 days

Appointing the first auditor

Section 139(6) requires the board to appoint the first auditor within 30 days of registration. If the board does not, it must inform members, who appoint the auditor at an extraordinary general meeting within 90 days. The first auditor holds office until the conclusion of the first AGM. Many founders miss this because the company has little activity, but every company needs an audit for its first financial year.

Five-year appointment at the AGM

At the first AGM, shareholders appoint an individual or firm as auditor to hold office from that meeting until the end of the sixth AGM. The requirement to ratify the appointment at every AGM was removed with effect from May 2018. Before appointment, the company must obtain the auditor's written consent and a certificate that the appointment meets the conditions of section 141, including the limit on the number of audits.

  • Written consent of the auditor
  • Eligibility certificate under section 141
  • Board recommendation to shareholders
  • Ordinary resolution at the AGM
  • ADT-1 filed within 15 days

Who can be appointed?

Only a chartered accountant in practice or a firm in which most partners practise in India can be appointed. Section 141 disqualifies, among others, an officer or employee of the company, a person who is a partner or employee of an officer, a person holding securities beyond specified limits, and a person indebted to the company above prescribed limits. Auditor rotation after one or two terms applies only to listed companies and to specified classes of unlisted companies above capital or borrowing thresholds.

Casual vacancy, resignation and removal

If an auditor resigns, the board fills the vacancy within 30 days, and the appointment must be approved by members within three months. The resigning auditor files ADT-3 within 30 days stating reasons. Removing an auditor before the end of the term needs a special resolution and prior Central Government approval through ADT-2, after giving the auditor a reasonable opportunity of being heard.

EventActionForm
First appointmentBoard within 30 daysBoard minutes (ADT-1 per practice)
Five-year appointmentMembers at AGMADT-1 within 15 days
ResignationBoard fills vacancy; members approve in 3 monthsADT-3 by auditor
Removal before termSpecial resolution + government approvalADT-2

Timeline and fees

The ROC fee for ADT-1 follows the slab table based on the company's nominal capital. Audit fees are agreed commercially and approved by members or the board as delegated. Late ADT-1 filing attracts additional fees that rise with the delay, so file promptly after the AGM. Keep the consent letter and certificate in the company's records for the auditor's term.

Questions to ask before engaging an auditor

Choosing an auditor is a five-year decision, so check fit as well as eligibility. Ask about experience with startups in your sector, familiarity with your accounting software and its audit trail reports, expected timelines for the year-end audit, and whether they also handle tax audits and transfer pricing if you need them. Agree the fee and scope in an engagement letter.

Common mistakes

The most common errors are not appointing a first auditor at all, appointing someone without written consent, forgetting to appoint for a five-year term at the first AGM, and missing ADT-1. An auditor who is also the company's internal accountant or a relative of a director may be disqualified.

Step by step

  1. 1Shortlist auditor

    Choose a practising CA or firm and check independence.

  2. 2Obtain consent

    Get written consent and the section 141 certificate.

  3. 3Board resolution

    Appoint the first auditor within 30 days of incorporation.

  4. 4Prepare for AGM

    Board recommends the five-year appointment.

  5. 5Members appoint

    Pass the ordinary resolution at the AGM.

  6. 6File ADT-1

    File within 15 days of the AGM.

  7. 7Track the term

    Diarise the end of the five-year term.

Related services

Sources

Written by the Refogo Editorial Team from the official sources above and checked on 2026-10-31. Laws, rates and due dates change, and authorities often extend deadlines, so confirm your own case with a qualified professional. This is general information, not legal or tax advice. Read our editorial policy or report an error to support@refogo.com.

Common questions

Is a statutory auditor mandatory for every company?

Yes. Every company, regardless of size or turnover, must have its financial statements audited.

What is the deadline to appoint the first auditor?

Within 30 days of incorporation by the board, or within 90 days by members if the board fails.

Does the auditor's appointment need annual ratification?

No. The ratification requirement was removed in 2018.

What is ADT-1?

The form notifying the ROC of the auditor's appointment, filed within 15 days of the meeting at which the auditor is appointed.