(1)Value added tax shall be charged, in accordance with the provisions of this Act—
(a)on the supply of goods or services in the United Kingdom (including anything treated as such a supply),
F1(b). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
[F2 (c)on the importation of goods into the United Kingdom,F2]
and references in this Act to VAT are references to value added tax.
(2)VAT on any supply of goods or services is a liability of the person making the supply and (subject to provisions about accounting and payment) becomes due at the time of supply.
F3(3). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(4)VAT on the importation of goods [F4into the United KingdomF4] shall be charged and payable as if it were [F5import dutyF5] .