7.       Imposition of tax

            (1) Subject to the provisions of this Act, there shall be levied and paid a tax, to be known as the value added tax, at the rate of 10 percent of the value of-

     (a)     every taxable supply by a registered person; and

     (b)     every import of goods or import of services, other than an exempt import.

            (2) Except as otherwise provided in this Act, the tax payable under subsection (1) shall-

     (a)     in the case of a supply to which subsection (1)(a) applies, be accounted for by the registered person making the supply; or

     (b)     in the case of an import of goods, be paid by the importer; or

     (c)     in the case of an import of services, be paid by the recipient of the services.

            (3) A supply chargeable with tax under both subsections (1)(a) and (b) shall be treated as a supply chargeable under subsection (1)(a).