# Commission Implementing Regulation (EU) 2018/1973 of 7 December 2018 amending Implementing Regulation (EU) No 909/2013 on the technical specifications for the electronic chart display and information system for inland navigation (Inland ECDIS) referred to in Directive 2005/44/EC of the European Parliament and of the Council, Division 2.3: Conditional symbology procedures (CS)

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

CS procedures shall be generated for features of which the symbolisation
depends on application settings, e.g. safety contour,
depends on other features, e.g. top marks and their structure,
is too complex to be defined in a direct look-up table entry.
CS procedures, which shall be modified or implemented in an Inland ECDIS additional to the CS procedures of S-52 are described in the document referred to in point 2(i) of Section 1.

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Source: https://www.legislation.gov.uk/eur/2018/1973/annex/division/ELECTRONIC/section/3/division/2/division/2.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2018-1973/annex/division-ELECTRONIC/section-3/division-2/division-2.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.