# 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 2

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

Each instance of spatial object type AdministrativeUnit, except for those at the lowest level, shall refer to their respective lower level units. This correspondence shall be expressed by the lowerLevelUnit association role of AdministrativeUnit spatial object type.

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Source: https://www.legislation.gov.uk/eur/2010/1089/annex/II/division/4/division/4.4/division/2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2010-1089/annex-II/division-4/division-4.4/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.