Procedural nature of pre-assessment scrutiny and limitation exclusion under income tax law confirmed for assessment timing.

Sections 144B and 153 of the Income-tax Act were treated as procedural provisions because they regulate the pre-assessment process and the computation of limitation without affecting substantive tax liability. Under section 144B, the draft assessment and objection procedure triggers exclusion of the time spent in that process under section 153(1)(a), Explanation 1(iv), subject to the statutory cap. On the stated computation for assessment year 1975-76, the assessment period extended to September 29, 1978, so an assessment order made on September 6, 1978 was within time and not barred by limitation.

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Issues: (i) Whether sections 144B and 153 of the Income-tax Act, 1961 are procedural in nature; (ii) whether the assessment order dated September 6, 1978 was barred by limitation.

Issue (i): Whether sections 144B and 153 of the Income-tax Act, 1961 are procedural in nature.

Analysis: Section 144B requires the Income-tax Officer to forward a draft assessment order to the assessee in cases of proposed variation and, on objection, to refer the matter to the Inspecting Assistant Commissioner for directions before making the final assessment. Section 153(1)(a), Explanation 1(iv), excludes the period spent in that procedure, subject to a maximum of 180 days, while computing limitation. Both provisions regulate the manner and time of assessment and do not affect the substantive liability.

Conclusion: The provisions of sections 144B and 153 are procedural in nature.

Issue (ii): Whether the assessment order dated September 6, 1978 was barred by limitation.

Analysis: For assessment year 1975-76, the assessment had to be completed within two years from the end of the assessment year, with the statutory exclusion under section 153(1)(a), Explanation 1(iv), read with section 144B. On that computation, the last date for completion was September 29, 1978. The assessment order was made on September 6, 1978, and therefore fell within time.

Conclusion: The assessment order dated September 6, 1978 was not barred by limitation and was valid.

Final Conclusion: The reference was answered against the assessee and the Revenue succeeded on both questions referred.

Ratio Decidendi: Where the statutory pre-assessment procedure under section 144B operates, the period spent in that procedure is excluded under section 153(1)(a), Explanation 1(iv), and provisions governing such computation are procedural in character.

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