# 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.515 Data set updates

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

An AIS provider shall:
(a)amend or reissue data sets at such regular intervals as may be necessary to keep them up to date; and
(b)issue permanent changes and temporary changes of long duration (three months or longer) made available as digital data in the form of a complete data set or a subset that includes only the differences from the previously issued complete data set.

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Source: https://www.legislation.gov.uk/eur/2017/373/annex/VI/division/1/division/7/division/SECTION/division/4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-373/annex-VI/division-1/division-7/division-SECTION/division-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.