Zero-rating refund claims must satisfy statutory conditions, and assessing officers cannot apply a uniform loss percentage mechanically.

Refund or input tax credit under the zero-rating scheme is a statutory concession subject to the Act's restrictions, including Section 19 and Section 19(9), so Section 18 cannot operate as a standalone right. A dealer must do more than show use of inputs in manufacture; the Assessing Authority must examine the nature and extent of loss on the facts of each case and determine whether the claim is barred by the statutory conditions. A uniform ad hoc percentage for invisible loss was rejected, and reversal orders based on that approach were set aside. The Act also permits action against an erroneous refund only in accordance with statutory procedure and due notice.

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Issues: (i) Whether the impugned circular issued by the Commissioner was without jurisdiction and liable to be quashed; (ii) whether Section 18 of the Tamil Nadu Value Added Tax Act, 2006 operates as a standalone scheme or is subject to the restrictions and conditions under Section 19, including Section 19(9); (iii) whether a dealer claiming refund under Section 18(2) need only show use of inputs in manufacture, or whether the Assessing Authority must examine the extent of loss and the applicability of Section 19(9); (iv) whether the Assessing Authorities could adopt a uniform percentage of invisible loss and direct reversal of input tax credit to that extent; and (v) whether the Act provides machinery to reverse an erroneous refund granted under Form W.

Issue (i): Whether the impugned circular issued by the Commissioner was without jurisdiction and liable to be quashed.

Analysis: The circular was treated as a non-statutory administrative guideline and not as a rule having independent statutory force. A superior departmental authority may issue instructions for internal administration, but a quasi-judicial assessing authority cannot surrender its statutory function or decide matters mechanically on the basis of such instructions. The circular could not override the Act or bind the Assessing Authority as a rule of decision.

Conclusion: The circular was not quashed as it was only a guideline, but it was held to have no statutory force and could not be blindly followed.

Issue (ii): Whether Section 18 of the Tamil Nadu Value Added Tax Act, 2006 operates as a standalone scheme or is subject to the restrictions and conditions under Section 19, including Section 19(9).

Analysis: Section 18 grants refund or input tax credit in respect of zero-rated sales, but the entitlement is expressly made subject to restrictions and conditions. Input tax credit is a statutory concession and can be availed only in the manner provided by the Act. Section 18 could not be isolated from the rest of the scheme, and the restrictions in Section 19 govern the availability of the benefit.

Conclusion: Section 18 is not a standalone provision and the refund claim under it is subject to Section 19, including Section 19(9).

Issue (iii): Whether a dealer claiming refund under Section 18(2) need only show use of inputs in manufacture, or whether the Assessing Authority must examine the extent of loss and the applicability of Section 19(9).

Analysis: Mere proof that the inputs were used in manufacture was held insufficient. The dealer must also satisfy the statutory restrictions attached to input tax credit and refund. Whether the loss is manufacturing loss, process loss, destruction, theft, damage in transit, or loss at an intermediary stage is a factual matter that must be examined in each case. The Assessing Authority is therefore required to undertake a factual enquiry rather than accept the claim on a blanket basis.

Conclusion: The dealer must establish that the claim is not hit by Section 19(9), and the Assessing Authority must conduct a fact-finding exercise.

Issue (iv): Whether the Assessing Authorities could adopt a uniform percentage of invisible loss and direct reversal of input tax credit to that extent.

Analysis: A uniform ad hoc percentage was found impermissible because the extent of loss depends on the individual manufacturing process and the actual facts of each assessment. The authorities were bound to examine the books, particulars and manufacturing details case by case, instead of applying a fixed percentage across the board.

Conclusion: The uniform percentage method was rejected and the notices and consequential reversal orders based on that approach were set aside.

Issue (v): Whether the Act provides machinery to reverse an erroneous refund granted under Form W.

Analysis: Since refund under Section 18 is subject to the Act's restrictions and conditions, an erroneous or wrongful refund is capable of being corrected in accordance with the statute. The undertaking in Form W and the verification power under Rule 11(2) supported the authority's power to act where the refund was found to be incorrect, though only in accordance with law and after due notice.

Conclusion: The Act does provide a legal basis to proceed against an erroneous refund, but only after compliance with the statutory procedure.

Final Conclusion: The challenge to the circular did not succeed as a prayer for invalidation, but the blanket reversal based on a uniform invisible-loss percentage was struck down. The matter was disposed of with liberty to issue fresh notices and proceed on a case-specific factual basis in accordance with law.

Ratio Decidendi: Refund or input tax credit under a zero-rating provision is a statutory concession governed by the conditions attached to the enabling Act, and the assessing authority must determine entitlement on the facts of each case rather than by applying a uniform presumptive percentage of loss.

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