Civil court jurisdiction barred in collateral challenges to sales tax assessments; applicability of statutory bar depends on assessment initiation date.

A civil suit challenging a sales tax assessment by declaration and injunction is barred where the fiscal statute provides a complete and exclusive remedial code, because such relief would in substance unsettle the assessment order. Civil court jurisdiction under Section 9 CPC remains unless expressly or impliedly excluded, but the statutory bar applies to collateral attacks on assessments. The text also notes that Section 18-A of the Madras General Sales Tax Act, 1939 would apply only if its operation is not retrospective, and its relevance depends on the date when assessment proceedings were initiated. That factual date was left for determination by the trial court on remand.

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Issues: (i) whether the civil court's jurisdiction was barred in a suit seeking a declaration that a sales tax assessment order was illegal and an injunction against its enforcement; (ii) whether section 18-A of the Madras General Sales Tax Act, 1939 applied to the suit, having regard to the date of initiation of assessment proceedings.

Issue (i): whether the civil court's jurisdiction was barred in a suit seeking a declaration that a sales tax assessment order was illegal and an injunction against its enforcement.

Analysis: Section 9 of the Code of Civil Procedure preserves the ordinary jurisdiction of civil courts unless exclusion is expressly stated or clearly implied. The statutory scheme was examined with reference to the remedies created by the sales tax enactment, including the hierarchy of departmental and appellate remedies. The suit, though framed as one for declaration and injunction, was in substance a challenge to the assessment itself, because the reliefs sought would unsettle the assessment order. Where a statute creates a complete machinery for assessment and redress, and bars suits to set aside or modify assessments, a collateral civil action is not maintainable.

Conclusion: the civil court's jurisdiction was barred in substance, and the suit could not be maintained as a collateral challenge to the assessment.

Issue (ii): whether section 18-A of the Madras General Sales Tax Act, 1939 applied to the suit, having regard to the date of initiation of assessment proceedings.

Analysis: Section 18-A was introduced by amendment after the close of the assessment year in question, and the provision would not operate retrospectively unless that intention was expressed or necessarily implied. The relevant date for deciding the applicability of the bar was treated as the date of initiation of assessment proceedings, since the right to contest the assessment and the correlative jurisdictional consequences arise when proceedings commence. As the record did not conclusively establish that date, the factual question required determination by the trial court.

Conclusion: the applicability of section 18-A depended on the date of initiation of proceedings, and that question was left for determination on remand.

Final Conclusion: the statutory bar against civil suits was affirmed in principle, but the matter required a factual finding on when assessment proceedings began before the suit could be finally disposed of on merits.

Ratio Decidendi: when a fiscal statute provides a complete and exclusive remedial code for challenging an assessment, a civil suit that in substance seeks to set aside or modify that assessment is barred, and the bar applies according to the statute in force when the assessment proceedings were initiated unless retrospective operation is clearly provided.

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