March 28, 2026
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Minimum Alternate Tax reporting through Form 66 demands Chartered Accountant certification, digital filing, and return-linked book profit verification.
Companies liable to Minimum Alternate Tax must furnish Form 66, a Chartered Accountant-certified report on book profit and MAT computation, annually with the income tax return. The form is digitally signed, accepted by the company through the e-filing portal, and linked to the return for processing. It contains company particulars, profit adjustments, transition amount, final MAT computation, auditor certification, and supporting financial and tax documents.