Overview
Section 139, Companies ActForm ADT-1 is mandated under Section 139 of the Companies Act, 2013 for intimating the Registrar of Companies (ROC) about the appointment of a statutory auditor. Every company must file ADT-1 within 15 days of auditor appointment at AGM or Board Meeting. This ensures MCA records reflect the current auditor details and maintains compliance with audit requirements. Late filing attracts significant additional fees.
First Auditor Appointment
File within 15 days of Board Meeting appointing first auditor
Subsequent Appointments
File after each AGM where auditor is appointed/reappointed
Casual Vacancy Filling
File when auditor is appointed to fill mid-term vacancy
Who Needs to File ADT-1?
Private Limited Companies
All Pvt Ltd companies after auditor appointment at AGM/Board Meeting
Public Limited Companies
Listed or unlisted public companies with statutory auditor
One Person Companies (OPC)
OPCs must file ADT-1 for auditor appointment
Section 8 Companies
Non-profit companies with appointed statutory auditor
Not sure if you need to file? Get free compliance check.
Required Documents
Board Resolution
Approving auditor appointment & authorizing ADT-1 filing
Auditor Consent Letter
Written consent from auditor in Form ADT-1 format
Auditor Certificate
CA certificate confirming eligibility under Section 141
Auditor Details
ICAI membership number, firm registration number, PAN
AGM/Board Meeting Minutes
Extract of resolution passed for auditor appointment
Company CIN & PAN
For identity verification during MCA filing
Pro tip: Mark your calendar 15 days before deadline — we send automated reminders to clients.
ADT-1 Filing Process
~3-7 daysAuditor Details Verification
1 dayValidate auditor's ICAI membership, firm registration & eligibility
Board Resolution
1 dayPass resolution approving auditor appointment & authorize filing
ADT-1 Filing
3-5 daysFile Form ADT-1 with MCA within 15 days of appointment
ROC Acknowledgement
1-2 daysReceive confirmation & update company compliance records
Why File ADT-1 On Time?
Maintain audit compliance and avoid costly penalties with timely ROC intimation.
Avoid Late Fees
Additional fees up to 12x for delayed filing; we ensure 15-day compliance
Audit Continuity
Proper auditor records prevent issues during statutory audit & assessments
MCA Record Accuracy
Ensure ROC portal reflects current auditor for all stakeholder verification
Penalty Protection
Prevent prosecution under Section 147 for officers in default
Frequently Asked Questions
File Your ADT-1 Today
Zero hidden fees. MCA expert support. 100% compliant within 15-day deadline.
Free auditor eligibility verification included
Download ADT-1 Filing Guide
Get our 8-page quick guide: eligibility checklist, resolution templates & deadline tracker.