# The Carbon Border Adjustment Mechanism (Emissions and Verification) Regulations 2026, Regulation 11: Methodology for measuring relevant emissions


(1) The Commissioners may publish a notice specifying requirements—
(a) that data on relevant emissions must meet to be used as verified emissions data;
(b) that operators of installations must comply with in order for data on relevant emissions from the installation to be used as verified emissions data.
(2) A notice under paragraph (1) may, in particular—
(a) provide that emissions may be calculated from the materials and production process used to produce a CBAM good and set out a detailed methodology for doing so;
(b) provide that emissions may be measured directly from the gases in the flue of an installation and set out a detailed methodology for doing so;
(c) set out requirements for the measurement, sampling or analysis of emissions, materials and fuels, and the frequency with which these must be done;
(d) make provision by reference to information or technical standards published by a third party, including by an international organisation;
(e) make provision about the treatment of gaps in data or measurement;
(f) make provision about the use of estimates or standard values or factors, including how estimates are to be made or standard values or factors are to be determined;
(g) set out requirements for the equipment used to measure, sample or analyse emissions, materials and fuels;
(h) make provision about the calculation of emissions from precursor goods;
(i) make provision about information that operators must provide to a verifier;
(j) make provision about how the operator determines the amount of CBAM goods produced during a monitoring period.

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Source: https://www.legislation.gov.uk/uksi/2026/995/regulation/11 (the official version)
Page: https://openlegislation.uk/carbon-border-adjustment-mechanism-emissions-and-verification-regulations-2026/regulation-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.