In case of deemed supplies under Schedule-I, there can be a situation that tax amount in relation to the said deemed supplies is becoming part of the Tax Liability Register but may not be a part of overall turnover of the registered person in the books of accounts. In such cases, the rate wise taxable value of the said transactions should be calculated either on the basis of invoice issued under section 31 of the CGST Act, or can be calculated by reverse method. (i.e. calculating the value of taxable supply from the rate of tax). Same shall be applicable in case where the adjustments of section 15 or Valuation Rules is made for tax purpose.