# Finance Act 2012, Paragraph 7


(1) The amount of the anti-forestalling charge on a chargeable pre-change supply is the amount of VAT that would be chargeable on the supply if it were subject to VAT at 20%.
This is subject to any reduction under sub-paragraph (2).
(2) If the chargeable pre-change supply is not wholly linked to the post-change period, the anti-forestalling charge is the relevant proportion of that amount.
(3) The relevant proportion is—
P Wwhere—
P is so much of the consideration for the chargeable supply as is attributable, on a just and reasonable basis, to that part of the supply (or, in the case of a grant of a right, that part of the supply to which the right relates) which is linked to the post-change period;
W is the whole of the consideration for the chargeable pre-change supply.

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Source: https://www.legislation.gov.uk/ukpga/2012/14/schedule/27/paragraph/7 (the official version)
Page: https://openlegislation.uk/finance-act-2012/schedule-27/paragraph-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.