Rule 12 gives the formula for apportioning income from an offshore transfer of shares or an interest to the assets located in India, requires an accountant's report in Form No. 4, and lets the Assessing Officer decide the manner if the transferor withholds information.
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Rules 2026 · Rule 12
Income attribution to Indian assets (s. 9(10))
Rules 3-14
The formula (sub-rule 1). Income from transfer outside India of a share or interest in a company or entity referred to in section 9(10)(a), attributable to assets located in India, is determined by reference to the specified date as A × B / C, where:
If information is not provided (sub-rule 2). Where the transferor fails to provide the information the formula needs, the income from the transfer is determined in such manner as the Assessing Officer may deem suitable.
Report with the return (sub-rule 3). The transferor must obtain and furnish, along with the return of income, a report in Form No. 4, signed and verified by an accountant, giving the basis of the apportionment under the formula and certifying that the income attributable to assets located in India has been correctly computed.
Where it fits. Rule 11 supplies B and C; rule 10 defines the accountant who may certify.