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MCA · Registrar of Companies

ADT-1 Filing - Notify ROC of Your Auditor Appointment

From ₹1,499 + GSTADT-1 Filing - StandardSee fees

Form ADT-1 is the notice every company must file with the Registrar of Companies within 15 days of the AGM (or board meeting, for the first auditor) that appoints or reappoints its statutory auditor. Missing the deadline attracts additional fees that climb with delay, and an unfiled ADT-1 can complicate future ROC filings and bank or tender due diligence. We collect the auditor's consent and eligibility certificate, prepare the form, and file it with ROC the same week - so your audit appointment is on record before the 15-day window closes.

From AGM Date
15 days
Filing Turnaround
1-2 days
Filed With ROC
Form ADT-1
Starting Price
₹1,499 + GST
  • CA-Prepared — consent and eligibility docs reviewed
  • All Company Types — Pvt Ltd, Public, Section 8, OPC
  • Same-Week Filing — once documents are ready
  • Late Filing Handled — we file even if you missed the deadline

File Your ADT-1

Tell us your AGM date and auditor details - we will check your deadline and file the same week.

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Key facts

The key facts, in one place

Everything a founder usually has to piece together from five different pages, in one place.

Form
ADT-1
Notice of appointment of auditor
Governing section
Section 139(1)
Companies Act, 2013
Filing deadline
15 days
From the date of the AGM (or board meeting for first auditor)
Who files
The company
Not the auditor - responsibility sits with the company
Applicable to
All companies
Private, Public, Section 8, OPC (with some first-auditor variations)
Key attachments
Consent + eligibility certificate
From the appointed auditor, under Section 141
Late filing
Allowed with additional fee
Fee increases the longer the delay continues
Filed on
MCA portal
www.mca.gov.in, digitally signed

What is Form ADT-1?

Form ADT-1 is the statutory notice a company files with the Registrar of Companies (ROC) to formally record the appointment or reappointment of its statutory auditor. Under Section 139(1) of the Companies Act, 2013, every company - private or public - must appoint an auditor at its Annual General Meeting (AGM) and inform the ROC of that appointment within 15 days, using Form ADT-1.

The filing itself is straightforward on paper - a form with the company's details, the auditor's details, and the period of appointment - but it depends entirely on having the right supporting paperwork ready: the auditor's written consent to act, and a certificate confirming they are eligible to be appointed under Section 141 (not disqualified, within the statutory audit-ceiling limits, etc.). Missing or inconsistent attachments are the most common reason filings get held up or need correction.

Although the company is the one that files ADT-1, the obligation is frequently overlooked because it falls in the busy weeks right after the AGM, alongside AOC-4 and MGT-7 annual return preparation. It is a separate filing with its own 15-day clock - it is not automatically covered by your annual filing due dates.

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ADT-1 Filing - Notify ROC of Your Auditor Appointment

File Form ADT-1 within 15 days of your AGM to notify ROC of auditor appointment or reappointment. CA-prepared filing with consent and eligibility certificate. From ₹1,499.

  1. 1Understand requirement
  2. 2Prepare documents
  3. 3Complete filing

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Eligibility

Who needs to file ADT-1?

ADT-1 applies whenever a company appoints, reappoints, or replaces its statutory auditor - the trigger is the appointment event, not the company's size or type.

  • Any private or public company appointing an auditor at its AGM for a five-year term (subject to ratification requirements that applied historically)
  • A company reappointing its existing auditor for a further term at the AGM
  • A company appointing a new auditor to fill a casual vacancy caused by resignation, death, or disqualification of the previous auditor
  • A company appointing its first auditor - though for the first auditor appointed by the Board within 30 days of incorporation, some practitioners file ADT-1 as good practice even though the strict Section 139(1) trigger is the AGM-appointed auditor onward
  • Section 8 companies, OPCs, and small companies - the ADT-1 requirement is not limited to any particular class of company
  • Companies where the previous auditor was removed and a replacement was appointed by the ROC/Tribunal process

Common ADT-1 filing scenarios

Post-AGM routine filing

  • Auditor reappointed for the next term at the annual AGM
  • New auditor appointed to replace an outgoing one at the AGM

Mid-year events

  • Casual vacancy filled after an auditor resigns
  • Auditor appointed after removal of the previous one

New companies

  • First statutory auditor appointment on incorporation
  • Auditor appointment shortly after a company converts entity type

What does not qualify

  • A company that has not yet held any AGM and has no auditor-appointment event pending does not need to file ADT-1
  • ADT-1 records the appointment - it does not itself constitute the audit report or annual return, which are separate filings (AOC-4, MGT-7)

Documents

What documents do you need for ADT-1 filing?

6 required · 1 if applicable

Email me the checklist

Common to every entity

  • Auditor's written consent to act as statutory auditorRequired
  • Auditor's eligibility certificate under Section 141Required
  • Copy of the board resolution or AGM resolution appointing the auditorRequired
  • Certificate of Incorporation and PAN of the companyRequired
  • Auditor's membership number and firm registration number (FRN), if a firmRequired
  • Digital Signature Certificate (DSC) of an authorised directorRequired
  • Intimation letter/appointment letter issued to the auditorIf applicable

Entity-specific

What documents do you need for ADT-1 filing?: Entity-specific
EntityAdditional documents
Reappointment at AGMAGM minutes/resolution, fresh consent and eligibility certificate for the new term, DSC
New auditor at AGMAGM resolution, consent, eligibility certificate, NOC or intimation from outgoing auditor if applicable
Casual vacancy appointmentBoard resolution filling the vacancy, resignation letter of outgoing auditor (Form ADT-3 filed by the auditor), consent and eligibility certificate of new auditor
First auditorBoard resolution appointing first auditor within 30 days of incorporation, consent and eligibility certificate

Get the ADT-1 document checklist as a PDF

A one-page checklist covering consent letter and eligibility certificate formats.

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Process

How ADT-1 filing works

ADT-1 is filed entirely online on the MCA portal, digitally signed by an authorised director or company secretary.

  1. Confirm the appointment and collect auditor documents

    We confirm the AGM (or board meeting) date, the resolution appointing the auditor, and collect the auditor's signed consent letter and Section 141 eligibility certificate - the two attachments ROC checks most closely.

  2. Prepare Form ADT-1

    We fill in the company's CIN, the auditor's details (membership number or FRN), the period of appointment, and attach the resolution, consent, and eligibility certificate.

  3. Digital signature and review

    The form is digitally signed by an authorised director using their DSC, and where applicable certified by a practicing professional before submission.

  4. File with ROC and pay the fee

    We submit Form ADT-1 on the MCA portal and pay the applicable government filing fee, which varies with the company's authorised share capital.

  5. Receive the filing acknowledgement

    Once approved, ROC generates an acknowledgement (SRN) confirming the auditor appointment is on record - keep this for your compliance file and future due diligence.

ADT-1 is one of the simpler ROC forms once the auditor's consent and eligibility certificate are in hand - most delays we see are not about the form itself but about chasing the auditor for a properly worded consent letter. If you already have both documents ready, filing typically takes 1-2 working days.

Pricing

How much does ADT-1 filing cost?

The MCA charges a government filing fee based on the company's authorised share capital, in addition to our professional fee. Late filings attract an additional government fee on top.

ADT-1 Filing - Standard

On-time filing within the 15-day window

₹1,499 + GST

  • Consent and eligibility certificate drafting support
  • Form ADT-1 preparation
  • Filing with ROC
  • Acknowledgement copy
Choose ADT-1 Filing - Standard

Most popular

ADT-1 Filing - Late/Urgent

Filing after the 15-day deadline has passed

₹2,499 + GST

  • Everything in Standard
  • Additional-fee calculation and guidance
  • Priority preparation and same-day filing where possible
Choose ADT-1 Filing - Late/Urgent

ADT-1 + Annual Filing Bundle

ADT-1 alongside AOC-4 and MGT-7

₹3,999 + GST

  • ADT-1 filing
  • AOC-4 filing
  • MGT-7 filing
  • Single point of coordination for all three
Choose ADT-1 + Annual Filing Bundle

Full fee breakdown

Full fee breakdown
ParticularsGovernment feeProfessional fee
ADT-1 government filing feeVaries by authorised share capital (as per MCA fee schedule)Included in plan
Additional fee for late filingEscalates with days of delay, per MCA rulesIncluded in Late/Urgent plan
ADT-1 professional feeN/A₹1,499 - ₹3,999 + GST
Auditor consent/eligibility certificate drafting supportN/AIncluded

Prices exclude GST. GST at the applicable rate is added to your invoice.

Not included in any tier:

  • The statutory audit itself and the auditor's professional fee
  • AOC-4 and MGT-7 annual return filings (available separately or bundled)
  • Resolving disputes over auditor removal or disqualification

Which ADT-1 filing plan do you need?

Answer three quick questions and we will recommend the right plan.

Where are you relative to the 15-day deadline?
Do you also need AOC-4 and MGT-7 filed?
Do you have the auditor's consent and eligibility certificate ready?

Benefits

Why file ADT-1 on time

Avoid escalating penalties

  • Filing within 15 days avoids the additional government fee that applies to delayed ROC filings and increases the longer the delay continues(Companies Act, 2013, Section 139(1) read with the Companies (Registration Offices and Fees) Rules, 2014)
  • A clean ADT-1 filing history avoids scrutiny during ROC inspections and reduces the risk of officer-in-default notices for the company and directors

Keeps your compliance record clean

  • Banks, investors, and tender authorities routinely check MCA records - an unfiled or overdue ADT-1 can raise questions during due diligence, funding rounds, or loan approvals
  • A properly filed and time-stamped auditor appointment record supports the validity of the audit report itself in later disputes or scrutiny

Operational clarity

  • Confirms on public record exactly who your statutory auditor is and for what period - useful for your own governance tracking as well as external verification
  • Sets a clear paper trail if the auditor changes mid-term, which matters for the outgoing auditor's Form ADT-3 and the incoming auditor's onboarding

Compliance calendar

ADT-1 and related annual compliance deadlines

ADT-1 sits alongside other post-AGM ROC filings - it's easy to file one and forget the others.

ADT-1 and related annual compliance deadlines
FormTriggerDue date
ADT-1 (auditor appointment notice)Auditor appointed/reappointed at AGM or by boardWithin 15 days of the appointment resolution
AOC-4 (financial statements)Every financial year, after AGMWithin 30 days of the AGM
MGT-7 / MGT-7A (annual return)Every financial year, after AGMWithin 60 days of the AGM
ADT-3 (auditor resignation, filed by auditor)If an auditor resigns mid-termWithin 30 days of resignation

Why Bizeneed

Why file ADT-1 through us

  • We track your AGM date and proactively remind you of the 15-day ADT-1 deadline instead of waiting for you to ask
  • We draft the auditor consent letter and eligibility certificate templates so your auditor can sign quickly instead of drafting from scratch
  • Experience filing ADT-1 across reappointments, new appointments, casual vacancies, and first-auditor scenarios - not just the routine case
  • Bundled pricing with AOC-4 and MGT-7 if you want your entire post-AGM ROC filing handled together
  • We handle late filings too, and calculate the correct additional fee upfront so there are no surprises

FAQ

Frequently asked questions

Form ADT-1 is the notice a company files with the Registrar of Companies to inform them that a statutory auditor has been appointed or reappointed, as required under Section 139(1) of the Companies Act, 2013.

Written by Bizeneed Research Team, Service information

Last updated 9 September 2026

Filing deadlines, fee structures, and procedural requirements are verified against MCA guidance current as of the last updated date. Rules and fee schedules can change; confirm specifics with our team before filing.

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