# The Certification of Fuels and Fireplaces (Charges) (England) Regulations 2025, Regulation 10: Interpretation of Part 3


In this Part—
“approved manufactured solid fuel certification body” means a person appointed by the Secretary of State under regulation 11(1) of the DSFS Regulations;
“certification audit” means a check carried out by an approved manufactured solid fuel certification body to determine whether a certified MS fuel continues to be free of prohibited characteristics;
“certified MS fuel” means a manufactured solid fuel in respect of which an MS fuel certificate has been granted;
“manufactured solid fuel” has the meaning given in regulation 9(1) of the DSFS Regulations;
“MS fuel application” means an application made by a solid fuel manufacturer to an approved manufactured solid fuel certification body under regulation 11(2) of the DSFS Regulations;
“MS fuel certificate” means a certificate issued by an approved manufactured solid fuel certification body under regulation 11(5) of the DSFS Regulations;
“MS fuel rebrand application” means an MS fuel application, other than a new MS fuel brand application, made in respect of a brand under which a certified MS fuel is to be marketed;
“new MS fuel” means a manufactured solid fuel comprising materials or proportions of materials that are different from those of a certified MS fuel;
“new MS fuel application” means an MS fuel application made in respect of a new MS fuel;
“new MS fuel brand application” means an MS fuel application made in respect of the brand under which a new MS fuel is to be marketed;
“prohibited characteristics” has the meaning given in regulation 11(9) of the DSFS Regulations;
“recertification application” means an MS fuel application to extend the period during which an MS fuel certificate has effect; and
“solid fuel manufacturer” means a manufacturer of manufactured solid fuel.

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Source: https://www.legislation.gov.uk/uksi/2025/287/regulation/10 (the official version)
Page: https://openlegislation.uk/certification-of-fuels-and-fireplaces-charges-england-regulations-2025/regulation-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.