# The Building Regulations (Northern Ireland) 2012, Regulation 40: Target carbon dioxide emission rate

Extent: N.I.

(1) Without prejudice to the requirements of regulation 39, where a building is to be erected, or a building other than a dwelling is extended as described in regulation 38(3)(b) , minimum energy performance requirements in the form of a target carbon dioxide emission rate for that building shall be calculated and expressed using a national calculation methodology.
(2) The building, or extension as described in regulation 38(3)(b) , shall be so designed and constructed as not to exceed its calculated target carbon dioxide emission rate , with all carbon dioxide emission rates calculated and expressed using a national calculation methodology .

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Source: https://www.legislation.gov.uk/nisr/2012/192/regulation/40 (the official version)
Page: https://openlegislation.uk/building-regulations-northern-ireland-2012/regulation-40
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.