Input tax credit availability must be determined by legal entitlement, so same month distribution follows entitlement not invoice receipt.

Rule 39(1)(a)'s phrase "input tax credit available for distribution in a month" must be read to mean credit that has become available under the statutory entitlement conditions in Section 16(2), not merely receipt of a supplier invoice. The court applies harmonious and purposive construction to reconcile the Rule with the Act and to confine delegated rulemaking within the enabling statute's limits. Consequently the "same month" distribution requirement applies to the month in which the distributor or recipient is legally entitled to claim credit; show cause notices based solely on distribution not matching supplier invoice months must be adjudicated in light of this interpretation.

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Issues: Whether Rule 39(1)(a) of the Central Goods and Services Tax Rules, 2017 is ultra vires the Central Goods and Services Tax Act, 2017 and whether the requirement to distribute input tax credit "in the same month" means distribution on receipt of the supplier's invoice (irrespective of entitlement under Section 16) or only when the input tax credit becomes available in law.

Analysis: The statutory framework governing entitlement and distribution of input tax credit requires reading Section 16 (eligibility and conditions for taking input tax credit) together with Section 20 (manner of distribution by an input service distributor). Section 16(2) prescribes cumulative conditions that must be satisfied before a registered person is entitled to claim input tax credit, including possession of tax invoice, reporting by the supplier, receipt of services, payment of tax and filing of return. Section 20 mandates distribution of "credit" by an input service distributor and, after amendment, contemplates distribution "within such time and subject to such restrictions and conditions as may be prescribed." Rule 39(1)(a) prescribes that the input tax credit available for distribution in a month shall be distributed in the same month and details to be furnished in Form GSTR-6. A plain reading that equates distribution solely to issuance/receipt of supplier invoices would permit distribution before entitlement under Section 16, producing anomaly and potential conflict with the statutory conditions for availing credit and with provisions governing reversal and recovery (including Section 21). Harmonious construction requires that "credit available for distribution" in Rule 39(1)(a) means input tax credit that has become available in accordance with Section 16. Consequently, the same month requirement must be applied to the month in which the distributor or recipient becomes entitled to the input tax credit under the statutory conditions, not mechanically to the supplier's invoice date irrespective of entitlement. Applying purposive interpretation and principles of delegated legislation, the rule is read so as to operate within the limits of the enabling Act and to avoid invalidity for conflict with Section 16.

Conclusion: Rule 39(1)(a) of the Central Goods and Services Tax Rules, 2017 is not struck down, but must be interpreted to require distribution "in the same month" as the month in which the input tax credit becomes available in law in accordance with Section 16 of the Central Goods and Services Tax Act, 2017. Show cause notices alleging contravention solely on the ground that distribution did not occur in the month of issuance of supplier invoices must be adjudicated in light of this interpretation.

Ratio Decidendi: "The expression 'input tax credit available for distribution in a month' in Rule 39(1)(a) of the Central Goods and Services Tax Rules, 2017 must be read to mean input tax credit that has become available upon fulfillment of the conditions in Section 16(2) of the Central Goods and Services Tax Act, 2017; the same month distribution requirement applies to that legally available credit and not to mere receipt of supplier invoices."

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