# Commission Implementing Regulation (EU) No 923/2012 of 26 September 2012 laying down the common rules of the air and operational provisions regarding services and procedures in air navigation and amending Implementing Regulation (EU) No 1035/2011 and Regulations (EC) No 1265/2007, (EC) No 1794/2006, (EC) No 730/2006, (EC) No 1033/2006 and (EU) No 255/2010 (Text with EEA relevance), Division (2): An aircraft shall be cleared for the entire route to the aerodrome of first intended landing:

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

(i)when it has been possible, prior to departure, to coordinate the clearance between all the units under whose control the aircraft will come; or
(ii)when there is reasonable assurance that prior coordination will be effected between those units under whose control the aircraft will subsequently come.

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Source: https://www.legislation.gov.uk/eur/2012/923/annex/section/8/division/SERA.8015/division/f/division/2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-923/annex/section-8/division-SERA.8015/division-f/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.