903. The taxable amount: in general.

The manner of determining the value of a supply of goods or services for the purposes of VAT depends on the form of consideration given for the supply1.

If the supply is for a consideration2 in money its value is taken to be such amount as, with the addition of the VAT chargeable, is equal to the consideration3. If the supply is for a consideration not consisting, or not wholly consisting, of money, its value is taken to be such amount in money as, with the addition of the VAT chargeable, is equivalent to the consideration4. Where a supply of