# The Non-Domestic Rating (Renewable Energy Projects) (Amendment) Regulations 2026, Regulation 4: Amendment of regulation 13


In regulation 13 (non-domestic rating income)—
(a) in the heading, at the end insert “and relevant multiplier ratios”;
(b) after paragraph (2) insert—
“(3) The relevant multiplier ratio in respect of a hereditament within a designated class for a day is the amount calculated in accordance with the formula—
F E where—
“E” is the multiplier which applies to that hereditament for a day in accordance with paragraph 10(9) of Schedule 4ZA, or paragraph 3(6) of Schedule 4ZB (as the case may be) to the 1988 Act; and
“F” is—
(a) the small business non-domestic rating multiplier for the year, if E is the—
(i) small business non-domestic rating multiplier; or
(ii) small business RHL multiplier;
(b) the non-domestic rating multiplier for the year, if E is the—
(i) non-domestic rating multiplier;
(ii) standard RHL multiplier; or
(iii) high-value multiplier.
(4) In paragraph (3)—
“high-value multiplier” means the multiplier with that description calculated in accordance with regulations under paragraph A6A(1)(a) of Schedule 7 to the 1988 Act;
“non-domestic rating multiplier” means the non-domestic rating multiplier for the year calculated in accordance with Chapter 2 of Part A1 of Schedule 7 to the 1988 Act;
“small business non-domestic rating multiplier” means the small business non-domestic rating multiplier for the year calculated in accordance with Chapter 3 of Part A1 of Schedule 7 to the 1988 Act;
“small business RHL multiplier” means the multiplier with that description calculated in accordance with regulations under paragraph A6A(1)(b) of Schedule 7 to the 1988 Act;
“standard RHL multiplier” means the multiplier with that description calculated in accordance with regulations under paragraph A6A(1)(b) of Schedule 7 to the 1988 Act.”.

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Source: https://www.legislation.gov.uk/uksi/2026/240/regulation/4 (the official version)
Page: https://openlegislation.uk/non-domestic-rating-renewable-energy-projects-amendment-regulations-2026/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.