The value of any supply of goods or services for a consideration shall be as follows:

1. Where the supply is for a cash consideration in whole, the value of the supply shall be the consideration less the tax.

2. Where the supply is for a consideration not in cash or a consideration not wholly in cash, the value of the supply shall be calculated as the overall cash part plus the market rate of the non-cash part of the consideration, and shall not include the tax.

3. In case of services received by the taxable person who is required to calculate the tax in accordance with Clause (1) of Article 48 of this Decree-Law, the value of the supply shall be equal to the market rate of the consideration without addition of the tax chargeable on such supply.

4. If the consideration is related to matters other than the supply of goods or services, the supply shall be deemed to be for the part of the consideration as is properly attributable to the supply as determined in the Executive Regulations of this Decree-Law.

The Executive Regulations of this Decree-Law shall determine the rules of defining the market rate.