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First Auditor Appointment
Company Law
October 12, 2025
7 min read
CA Shivam Bhaskar

Appointment of First Auditor: Complete Guide Under Section 139(6)

Every newly incorporated company needs an auditor, but the appointment process is governed by strict rules. This guide walks you through Section 139(6) of the Companies Act, the procedure, timeline, qualifications, and ROC filing requirements for appointing a first auditor.

Key Facts

Understanding Section 139(6)

Section 139(6) of the Companies Act, 2013 is the foundational rule governing the appointment of the first auditor in a newly incorporated company. It states:

"The first auditor of a company shall be appointed by the Board of Directors within thirty days of the incorporation of the company, and the company shall file the prescribed form and documents within fifteen days of such appointment with the Registrar, in the prescribed manner."

This section is critical because it establishes that:

  1. The Board has the power to appoint the first auditor (not shareholders in a shareholders' meeting)
  2. There is a strict 30-day deadline from company incorporation
  3. The appointment must be formally notified to the Registrar (ROC) within 15 days
  4. This first auditor holds office only until the first AGM, after which shareholders elect subsequent auditors

Timeline: When Must Appointment Happen?

Day 0: Company Incorporation

Your company receives its Certificate of Incorporation from the Registrar. The 30-day clock starts ticking.

Days 1–30: Board Appointment

The Board of Directors must pass a board resolution appointing the auditor. This must happen within 30 days. If a first AGM is scheduled earlier (before 30 days—rare but possible), the auditor must be appointed before that AGM.

Days 31–45: ROC Filing (Form ADT-1)

Once appointed, you have 15 days to file Form ADT-1 (Appointment of Auditor) with the ROC. This is a critical deadline. Delay in filing can result in the company being shown as non-compliant.

First AGM Timeline

A company must hold its first AGM within 9 months from the end of the financial year in which it was incorporated. At this AGM, shareholders can elect a new auditor (or re-elect the same auditor) under Section 139(7). The first auditor's tenure ends here.

Who Can Be Appointed as First Auditor?

Qualification Requirements

Chartered Accountant Registration: The auditor must be a Chartered Accountant as defined under the Chartered Accountants Act, 1949, and currently holding a valid certificate of practice issued by ICAI.

Solo or Firm: An individual CA or a partnership firm of CAs (audit firm) can be appointed. If a firm, the designated partner signing the audit report is responsible for compliance.

Not Disqualified: The CA must not be subject to any disqualifications listed in Section 141 of the Companies Act, which includes:

Default Status

The auditor must not be in default of any statutory obligation to the ROC or any other authority. This means:

Step-by-Step Appointment Procedure

Step 1: Identify and Confirm the Auditor

Contact potential CAs or audit firms. Discuss scope, fees, and capabilities. Ensure they have capacity for ongoing audit compliance. Once identified, the CA must provide written consent to the company confirming:

This consent is mandatory before the board resolution is passed.

Step 2: Board Resolution

Convene a Board meeting (physical or via video conference—no requirement for in-person initially for first meeting). The Board passes a resolution appointing the auditor, specifying:

The resolution should be signed by all directors present. Record the minutes in the Board Minutes Book.

Step 3: Prepare Form ADT-1

Form ADT-1 (Appointment of Auditor) is filed via MCA21 portal. Key details required:

Step 4: File with ROC

File Form ADT-1 on the MCA21 e-governance portal within 15 days of the board resolution. Attach:

Step 5: Confirmation from Auditor

Once Form ADT-1 is filed and approved, the company sends a formal intimation letter to the auditor confirming their appointment. The auditor can then commence pre-audit activities (understanding the business, reviewing internal controls, planning the audit).

What If Appointment is Delayed?

Within 30 Days (Board Appointment Delayed): If the Board fails to appoint an auditor within 30 days of incorporation, the company is technically in breach. However, the appointment can still be made up to the date of the first AGM. The ROC may flag this as non-compliance if the appointment hasn't been notified.

After First AGM (No Appointment by Then): If no auditor is appointed even by the first AGM, the company operates without an auditor, which is a serious compliance gap. The company faces penalties under Section 141(5), which can be up to ₹1 lakh plus imprisonment for directors.

Late ROC Filing: If the board appoints an auditor but Form ADT-1 is filed late (beyond 15 days), the ROC may issue a show-cause notice. File as soon as possible and explain the delay in a cover letter.

Special Cases and Exemptions

One-Person Company (OPC)

OPCs follow the same appointment procedure as regular companies under Section 139(6).

Private vs. Public Company

Both private and public companies must appoint a first auditor. There are no exemptions based on company type.

Dormant Company

A dormant company (no business activity expected) still needs an auditor under Section 139(6). However, if the company is registered as "dormant" with ROC, audit requirements may be relaxed. Confirm with ROC for your specific situation.

Small Company Exemption

Small companies (turnover up to ₹10 crore, net worth up to ₹2 crore) have audit relaxation under Section 141(4). They can apply for exemption from statutory audit, but the auditor must still be appointed initially. The audit can be waived if the company qualifies and files Form ADT-2 (Waiver of Audit).

Common Mistakes to Avoid

Key Takeaway

The appointment of the first auditor is a mandatory, time-bound compliance activity for newly incorporated companies. By following Section 139(6) and the procedural steps outlined above, you ensure your company starts its audit relationship on the right footing. The first auditor sets the tone for ongoing compliance; choosing a qualified, professional CA firm is an investment in your company's governance and credibility.

Mark your incorporation date, count 30 days, prepare your board resolution, and file Form ADT-1 promptly. A smooth first auditor appointment prevents compliance penalties and demonstrates professionalism to stakeholders.

Need Help Appointing Your First Auditor?

We provide complete first auditor appointment assistance, including board resolution drafting, ROC filing, and ongoing audit coordination. Let us simplify the process.

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