# The Non-Domestic Rating (Designated Areas) Regulations 2025, Paragraph 4: Small business rate baseline: revaluation year


If a specified year is a revaluation year, a billing authority’s small business rate baseline amount in respect of a designated area for the specified year is the amount calculated in accordance with the formula—
L × M 2 × K 2 M 1 × K 1

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Source: https://www.legislation.gov.uk/uksi/2025/180/schedule/2/paragraph/4 (the official version)
Page: https://openlegislation.uk/non-domestic-rating-designated-areas-regulations-2025/schedule-2/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.