Value of supply inclusive of integrated tax, central tax, State tax, Union territory tax
Rule 35 of the CGST Rules
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Where a price is tax-inclusive, the tax is backed out as value multiplied by the tax rate divided by (100 plus the tax rate) – the standard back-calculation.
The exact words of the law
1,353 characters, uneditedReproduced from the CBIC text. We explain it above — but you should always be able to read it yourself.
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(a) "open market value" of a supply of goods or services or both means the full value in money, excluding the integrated tax, central tax, State tax, Union territory tax and the cess payable by a person in a transaction, where the supplier and the recipient of the supply are not related and the price is the sole consideration, to obtain such supply at the same time when the supply being valued is made;
(b) "supply of goods or services or both of like kind and quality" means any other supply of goods or services or both made under similar circumstances that, in respect of the characteristics, quality, quantity, functional components, materials, and the reputation of the goods or services or both first mentioned, is the same as, or closely or substantially resembles, that supply of goods or services or both.
Where this comes from
Text reproduced from the Central Board of Indirect Taxes and Customs, as available on 2026-09-05. The explanation and practice notes above are GSTZone’s own, written for this hub. If you spot anything out of date, tell us and we’ll fix it — this hub is checked daily against CBIC.
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