# 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.723: Duration and continued validity

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

(a)A permit to fly shall be issued for a maximum of 12 months and shall remain valid subject to compliance with all the following conditions:
1..the organisation continues to comply with the conditions and restrictions of point 21.A.711(e) associated with the permit to fly as set out in point 21.A.711(e);
2..the holder, and its suppliers or subcontractors as appropriate, acknowledge that the CAA may carry out investigations in accordance with point 21.A.8;
2A..the permit to fly has not been revoked by the CAA under point 21.B.65 or surrendered by its holder;
3..the aircraft remaining on the same register.
(b)Notwithstanding point (a), a permit to fly issued for the purpose of point 21.A.701(a)(15) may be issued for unlimited duration.
(c)Upon surrender or revocation, the permit to fly shall be returned to the CAA.

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Source: https://www.legislation.gov.uk/eur/2012/748/annex/I/section/A/division/subpart+p/division/21.a.723 (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-748/annex-I/section-A/division-subpart+p/division-21.a.723
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.