# 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.505 Aeronautical information regulation and control (AIRAC)

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

An AIS provider shall ensure that information concerning the circumstances listed in point AIS.TR.505(a) is distributed under the AIRAC system.
An AIS provider shall ensure that:
(1)the information notified under the AIRAC system is not changed further for at least another 28 days after the AIRAC effective date unless the circumstance notified is of a temporary nature and would not persist for the full period;
(2)the information provided under the AIRAC system is distributed or made available so as to reach recipients at least 28 days in advance of the AIRAC effective date; and
(3)implementation dates other than the AIRAC effective dates are not used for pre-planned operationally significant changes requiring cartographic work or for updating of navigation databases.

---
Source: https://www.legislation.gov.uk/eur/2017/373/annex/VI/division/1/division/7/division/SECTION/division/2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-373/annex-VI/division-1/division-7/division-SECTION/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.