# The Boiler Upgrade Scheme (England and Wales) (Amendment) Regulations 2026, Regulation 18: Schedule 4 amended (certification requirements) In Schedule 4, paragraph 1β€” (a) in sub-paragraph (a), omit β€œ, or”, (b) omit sub-paragraph (b). --- Source: https://www.legislation.gov.uk/uksi/2026/390/regulation/18 (the official version) Page: https://openlegislation.uk/boiler-upgrade-scheme-england-and-wales-amendment-regulations-2026/regulation-18 Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.