ADT-3
Auditor resignation notice
MCA Form GuideADT-3
Auditor resignation notice
Legal anchor
Section 140 and Audit Rules
Filing window
Auditor filing generally within 30 days of resignation. Company should separately manage replacement and records.
Core attachments and evidence
- Resignation letter
- Reasons/circumstances
- Board acknowledgement
Pre-filing checks
- Company master data is correct
- Event date agrees with approvals and documents
- Signatories and professional certification are valid
- Attachments are legible, consistent and final
- Fee and additional-fee position is reviewed
- SRN/challan and approval status will be retained
Post-filing controls
- Update statutory registers
- Reconcile the form with financial/HR/cap-table records
- Save filed form, attachments, SRN and challan
- Track resubmission or approval status
- Update annual return and Board-report data points
Finin2min crux: ADT-3 should be the final output of a compliant underlying event—not the first time the event is documented.
Freshness check: MCA form versions, web-form fields, fee rules, FAQs and due-date extensions can change. Confirm the current portal instruction before filing. Source date: 4 July 2026.