Nidhi | Oct 4, 2025 |

MCA V3 Update: Z99999999 Working for ADT-1 SRN in AOC-4

The MCA V3 portal has recently made an important change that will help companies file their AOC-4 forms more easily. Earlier, many users faced problems while entering the ADT-1 SRN for the first auditor appointment.

MCA V3 has updated the AOC-4 form. The ADT-1 SRN for the First Auditor Appointment field is now working with the SRN Z99999999.

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The field allows 10 digits or letters, but you must enter only 9 characters, Z followed by eight 9s (Z99999999). This update will help in the smooth filing of AOC-4.

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Tags: AOC-4

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Name: Nidhi

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Location: Delhi, India

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Nidhi is a skilled content writer specializing in personal finance. She creates clear, engaging articles on mutual funds, investments, insurance, and wealth-building strategies. With a passion for simplifying complex financial topics, Nidhi helps readers make informed money decisions with confidence. She can be reached at [email protected]

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