# Commission Regulation (EU) No 1321/2014 of 26 November 2014 on the continuing airworthiness of aircraft and aeronautical products, parts and appliances, and on the approval of organisations and personnel involved in these tasks (Recast) (Text with EEA relevance), Division ML.A.401: Maintenance data

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

(a) The person or organisation maintaining an aircraft shall only use applicable maintenance data during the performance of maintenance.
(b)For the purposes of this Annex, “applicable maintenance data” means any of the following:
(1)any applicable requirement, procedure, standard or information issued by the CAA;
(2)any applicable AD;
(3)the applicable ICA and other maintenance instructions, issued by the type-certificate holder, supplementary type-certificate holder and any other organisation that publishes such data in accordance with Annex I (Part-21) to Regulation (EU) No 748/2012;
(4)for components approved for installation by the design approval holder, the applicable maintenance instructions published by the component manufacturers and acceptable to the design approval holder;
(5)any applicable data issued in accordance with point 145.A.45(d).

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Source: https://www.legislation.gov.uk/eur/2014/1321/annex/Vb/division/1/division/sectiona/division/subpartd/division/ml.a.401 (the official version)
Page: https://openlegislation.uk/eu-regulation-2014-1321/annex-Vb/division-1/division-sectiona/division-subpartd/division-ml.a.401
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.