http://www.legislation.gov.uk/id/ukdsi/2012/9780111519035

Calculation of tax for different valuation bands by local precepting authority8

1

The amounts to be stated in accordance with regulation 7(4)(a) for a relevant financial year in respect of dwellings listed in a particular valuation band shall be calculated by applying the formula—

A \times \frac{N}{D}

where—

A is the amount calculated by the local precepting authority for the relevant financial year under section 52ZX(5);
N is the number which, in the proportion set out in section 5(1), is applicable to dwellings listed in that valuation band; and
D is the number which, in that proportion, is applicable to dwellings listed in valuation band D.

2

The amounts to be stated in accordance with regulation 7(4)(b) for a relevant financial year for dwellings listed in a particular valuation band shall be calculated by applying the formula—

S \times \frac{N}{D}

where—

S is the amount produced by applying section 52ZX to the substitute calculations made in relation to the relevant financial year and the authority under section 52ZL; and
N and D have the same meaning as in paragraph (1).