Rectification power under sales tax law can correct turnover computation and support enhancement after notice and hearing.

Madras HC held that Section 55 of the Tamil Nadu General Sales Tax Act, 1959 permits rectification of an error apparent on the record and, after notice and hearing, even enhancement of assessment. The authority could therefore correct the computation of taxable turnover, as the issue went beyond a mere clerical mistake and fell within the statutory rectification power. The Court also held that, for additional sales tax, taxable turnover had to be computed on the basis of the entire financial year, since the tax scheme treats the year as the financial year. The rectification order was upheld and the writ petition dismissed.

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Issues: (i) whether the assessing authority could invoke rectification powers to correct the computation of taxable turnover and enhance the assessment; (ii) whether taxable turnover for additional sales tax had to be computed for the whole financial year.

Issue (i): whether the assessing authority could invoke rectification powers to correct the computation of taxable turnover and enhance the assessment

Analysis: Section 55 of the Tamil Nadu General Sales Tax Act, 1959 permits rectification of an error apparent on the face of the record and its proviso expressly contemplates enhancement of assessment after notice and hearing. The correction proposed was not a mere clerical correction but related to the manner in which taxable turnover was to be computed, which fell within the scope of the statutory rectification power.

Conclusion: The rectification was validly made under Section 55 of the Tamil Nadu General Sales Tax Act, 1959 and the challenge on jurisdiction failed.

Issue (ii): whether taxable turnover for additional sales tax had to be computed for the whole financial year

Analysis: The year under the Act means the financial year as defined in Section 2(t) of the Tamil Nadu General Sales Tax Act, 1959. Since the Tamil Nadu Additional Sales Tax Act, 1970 adopts the scheme of the principal sales tax law and taxable turnover is to be understood in the same sense, the turnover for the entire year had to be taken for fixing the additional tax liability. On that basis, the turnover adopted by the authority was correct.

Conclusion: The taxable turnover was rightly computed on the basis of the whole financial year and the assessment was correctly rectified.

Final Conclusion: The impugned rectification order was upheld and the writ petition was dismissed, leaving the assessment enhancement undisturbed.

Ratio Decidendi: A statutory rectification power that expressly allows enhancement after notice can be used to correct the computation of taxable turnover, and where the tax scheme treats the year as the financial year, taxable turnover for additional sales tax must be determined for the whole year.

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