Compliance calendar
MCAMCA annual filingsADT-1

ADT-1 (auditor appointment intimation)

The notice to the Registrar of the statutory auditor appointed at the annual general meeting.

How this is timed

Auditor appointment

Counted from appointment of the auditor at the annual general meeting

Regulator
MCA
Category
MCA annual filings
Form
ADT-1
Last verified
2026-09-01

ADT-1 is due within 15 days of the annual general meeting at which the auditor is appointed. Rule 4(2) does not strictly require ADT-1 for the first auditor, although MCA recommends filing it. The ADT-1 SRN is an input in AOC-4.

Deadlines counted from an event

These have no calendar date. The clock starts when the event happens.

Auditor appointmentfrom appointment of the auditor at the annual general meeting

Give notice to the Registrar in Form ADT-1 within 15 days of the meeting at which the auditor is appointed.

The rule

Stated as the law states it, so you can work out any period yourself.

Auditor appointment

Give notice to the Registrar in Form ADT-1 within 15 days of the meeting at which the auditor is appointed.

Who must comply

  • A company that appoints an auditor under section 139(1)

Carve-outs

  • Rule 4(2) does not strictly cover the first auditor

Statutory basis

Read the provision here where we hold it, or on the regulator's site.

Before you file

  • Appoint the auditor at the annual general meeting.
  • Get the auditor's consent and eligibility documents.

How to file

  1. 1Open Form ADT-1 on MCA21 V3.
  2. 2Enter the appointment details.
  3. 3Sign and submit the form within 15 days of the meeting.

MCA21 V3 portal

Recent changes affecting this

From the regulator's own circulars and notifications.

Last verified 2026-09-01. Confirm against the official source before you rely on it.