Valuation Rules of GST -CGST Rules 2017 - Rule 30 & Rule 31

Rule 30 - Value of Supply of goods or services or both on Cost

Where the value of a supply of goods or services or both is not determinable by any of the preceding rules of this Chapter, the value shall be 110% of the cost of production or manufacture or the cost of acquisition of such goods or the cost of provision of such services.

Rule 31 - Residual Method for determination of value of supply of goods or services or both

Where the value of supply of goods or services or both cannot be determined under Rule 27 to 30, the same shall be determined using reasonable means consistent with the principles and the general provisions of section 15 and the provisions of this Chapter.

Provided that in the case of supply of services, the supplier may opt for this rule, ignoring Rule 30.