# Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services, Division (1): By way of derogation from the requirement in Section 2.2 of Annex II, any grid compatible with one of the following coordinate reference systems may be used for making gridded Orthoimagery data available:

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

two-dimensional geodetic coordinates (latitude and longitude) based on a datum specified in Section 1.2 of Annex II and using the parameters of the GRS80 ellipsoid;
plane coordinates using the ETRS89 Lambert Conformal Conic coordinate reference system;
plane coordinates using the ETRS89 Transverse Mercator coordinate reference system.
The grid specified in Section 2.2.1 of Annex II shall not be used.

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Source: https://www.legislation.gov.uk/eur/2010/1089/annex/III/division/3/division/3.5/division/3.5.2/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2010-1089/annex-III/division-3/division-3.5/division-3.5.2/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.