# 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 (a): ATS units shall transmit, as soon as practicable, special and non-routine air-reports to:

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

(1)other aircraft concerned;
(2)the associated meteorological watch office (MWO) in accordance with point 3 of Appendix 5; and
(3)other ATS units concerned.

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Source: https://www.legislation.gov.uk/eur/2012/923/annex/section/12/division/SERA.12020/division/a (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-923/annex/section-12/division-SERA.12020/division-a
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.