# The Non-Domestic Rating (Designated Area) Regulations 2021, Paragraph 3: For a specified year that is not a revaluation year


(1) If a specified year is not a revaluation year, the billing authority’s baseline amount in respect of the designated area for the specified year is the amount calculated under sub-paragraph (2) or (3).
(2) For the specified year beginning on 1st April 2021, the billing authority’s baseline amount is calculated in accordance with the formula—
J× K2 K1 where—
J is the amount provided in column 4 of the table in Schedule 1 in relation to the designated area;
K1 is the small business non-domestic rating multiplier for the preceding year; and
K2 is the small business non-domestic rating multiplier for the specified year.
(3) For a subsequent specified year which is not a revaluation year, the baseline amount is calculated in accordance with the formula—
L× M2 M1 where—
L is the amount calculated under sub-paragraph (2), this sub-paragraph or paragraph 4(1) for the preceding year;
M1 is the small business non-domestic rating multiplier for the preceding year; and
M2 is the small business non-domestic rating multiplier for the specified year.

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Source: https://www.legislation.gov.uk/ukdsi/2021/9780348218862/schedule/2/paragraph/3 (the official version)
Page: https://openlegislation.uk/draft-non-domestic-rating-designated-area-regulations-2021/schedule-2/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.