Inter-State sales tax reopening upheld where procedural notice defects caused no prejudice and participation without protest barred challenge.

Reopening of inter-State sales tax assessments was treated as valid where the notices and reopening order followed the prescribed machinery under the Bengal Finance (Sales Tax) Act, 1941 and the West Bengal Sales Tax Rules, 1941, as applied through the Central Sales Tax rules, even though the Central Sales Tax Act, 1956 was not expressly named. The omission was treated as one of form, not substance, because no prejudice was shown and the assessee knew both intra-State and inter-State turnovers were under scrutiny. The reopening order was also treated as duly authorised, and the assessee's participation without protest supported waiver and estoppel by conduct. The reopening and consequential assessment proceedings were therefore sustained.

---

---

Issues: (i) Whether the notices and the order reopening assessment for inter-State sales were invalid for not expressly referring to the Central Sales Tax Act, 1956; (ii) Whether the reopening order was valid authorisation and whether the assessee was precluded from challenging it after participating in the proceedings.

Issue (i): Whether the notices and the order reopening assessment for inter-State sales were invalid for not expressly referring to the Central Sales Tax Act, 1956.

Analysis: Reopening of Central sales tax assessments was held to be governed procedurally by section 11E of the Bengal Finance (Sales Tax) Act, 1941 and rule 54AA of the West Bengal Sales Tax Rules, 1941, as incorporated through rule 9 of the Central Sales Tax (West Bengal) Rules, 1958. The notices and the reopening order referred to the 1941 Act and the prescribed reopening machinery, and the omission to mention the 1956 Act was treated as a matter of form rather than substance. The Court also found no demonstrated prejudice from the omission, since the assessee was aware that both intra-State and inter-State turnovers were under scrutiny.

Conclusion: The notices and the reopening order were held to be valid notwithstanding the absence of an express reference to the Central Sales Tax Act, 1956.

Issue (ii): Whether the reopening order was without valid authorisation and whether the assessee was precluded from challenging it after participating in the proceedings.

Analysis: The reopening order, read as a whole, was treated as having been made by the Deputy Commissioner in exercise of the power under section 11E of the Bengal Finance (Sales Tax) Act, 1941, with the Commercial Tax Officer required only to carry out the consequential fresh assessment. The Court further held that the assessee had participated in the proceedings without protest and had itself disclosed the alleged suppressions, which supported waiver and estoppel by conduct. The objections were therefore characterised as purely technical and not sufficient to invalidate the reopening.

Conclusion: The reopening was held to be duly authorised and the assessee was held to be barred from challenging it at that stage.

Final Conclusion: The writ challenge to the reopening and consequential assessment failed, and the impugned reopening proceedings were sustained, leaving the assessee to pursue the statutory appeal on the merits of assessment.

Ratio Decidendi: Where the statutory reopening machinery is expressly prescribed and the assessee suffers no prejudice, an omission to mention the substantive tax enactment by name does not invalidate the reopening; participation without objection may also operate as waiver and estoppel.

---