# Commission Implementing Regulation (EU) 2017/373 of 1 March 2017 laying down common requirements for providers of air traffic management/air navigation services and other air traffic management network functions and their oversight, repealing Regulation (EC) No 482/2008, Implementing Regulations (EU) No 1034/2011, (EU) No 1035/2011 and (EU) 2016/1377 and amending Regulation (EU) No 677/2011 (Text with EEA relevance), Division: AIS.OR.320 Aeronautical information circular (AIC)

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

An AIS provider shall issue as an AIC any of the following:
(a)a long-term forecast of any major change in legislation, regulations, procedures or facilities;
(b)information of a purely explanatory or advisory nature which affects flight safety;
(c)information or notification of an explanatory or advisory nature, concerning technical, legislative or purely administrative matters.
An AIS provider shall review at least once a year the validity of an AIC in force.

---
Source: https://www.legislation.gov.uk/eur/2017/373/annex/VI/division/1/division/Chapter/division/4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-373/annex-VI/division-1/division-Chapter/division-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.