# Commission Regulation (EU) No 748/2012 of 3 August 2012 laying down implementing rules for the airworthiness and environmental certification of aircraft and related products, parts and appliances, as well as for the certification of design and production organisations (recast) (Text with EEA relevance), Division (a): Standard changes are changes to a type-certificate:

Extent: E+W+S+N.I.

1.. in relation to:
(i) aeroplanes of 5 700 kg Maximum Take-Off Mass (MTOM) or less;
(ii) rotorcraft of 3 175 kg MTOM or less;
(iii) sailplanes, powered sailplanes, balloons and airships, as defined in ELA1 or ELA2,
2.. that follow design data included in certification specifications issued by the CAA, containing acceptable methods, techniques and practices for carrying out and identifying standard changes, including the associated instructions for continued airworthiness; and
3.. that are not in conflict with TC holders data.

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Source: https://www.legislation.gov.uk/eur/2012/748/annex/I/section/A/division/subpart+d/division/21.a.90b/division/a (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-748/annex-I/section-A/division-subpart+d/division-21.a.90b/division-a
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.