Rectification jurisdiction is limited to patent errors; debatable export-profit and rebate issues could not be corrected under section 154.

Rectification under section 154 of the Income-tax Act, 1961 is confined to an obvious, patent and self-evident mistake apparent from the record, and it cannot be used where correction depends on interpretation, factual examination, or two possible legal views. On that test, the proposed correction of the tax notice was impermissible because the export-profit deduction question under the Finance Act, 1965 turned on whether sale proceeds from import entitlement were profits derived from export, and the rebate question turned on whether manufacture of aluminium utensils amounted to manufacture or production of aluminium. Both issues were debatable, so section 154 could not be invoked and the notice was without jurisdiction.

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Issues: Whether the Income-tax Officer could invoke rectification jurisdiction under section 154 of the Income-tax Act, 1961 to correct the notice on the footing that the tax had been wrongly calculated at the rate applicable to priority income and export profit rebate had been wrongly allowed.

Analysis: The governing test under section 154 is that the error must be a mistake apparent from the record, meaning an obvious, patent and self-evident mistake. A point that requires interpretation of statutory language, examination of facts, or adoption of one of two possible legal views cannot be corrected by rectification. The entitlement to deduction on export profits under section 2(5)(a)(i) of the Finance Act, 1965 depended on whether sale proceeds from import entitlement were profits derived from export, which was reasonably open to two views. Likewise, the rebate issue under paragraph F(I)(b)(ii)(a) of Part I of the First Schedule to the Finance Act, 1965 involved the debatable question whether manufacture of aluminium utensils amounted to manufacture or production of aluminium within the relevant item in Part III of the First Schedule.

Conclusion: The proposed rectification did not relate to any mistake apparent from the record and section 154 could not be invoked; the notice was without jurisdiction and was liable to be quashed in favour of the assessee.

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