# 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 21.A.159: Duration and continued validity

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

(a)A production organisation approval certificate must be issued for an unlimited period of time pursuant to point 21.B.220. It is valid from the date of issue and remains valid subject to the following conditions:
1..the production organisation continues to comply with the applicable requirements of Regulation (EU) 2018/1139;
2..the production organisation, and its suppliers or subcontractors, as appropriate, permit the CAA to carry out investigations in accordance with point 21.A.8;
3..the production organisation provides the CAA with evidence showing that it maintains satisfactory control of products, parts and appliances under the approval;
4..the production organisation approval certificate has not been revoked by the CAA under point 21.B.65 or surrendered by the production organisation.
(b)Upon surrender or revocation, the production organisation approval certificate must be returned to the CAA.

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Source: https://www.legislation.gov.uk/eur/2012/748/annex/I/section/A/division/subpart+g/division/21.a.159 (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-748/annex-I/section-A/division-subpart+g/division-21.a.159
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.