# Commission Decision of 18 December 2009 adopting a multiannual Community programme for the collection, management and use of data in the fisheries sector for the period 2011-2013 (notified under document C(2009) 10121) (2010/93/EU), Division 4: In cases where a fleet segment has less than 10 vessels:

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

(a) clustering may be necessary in order to design the sampling plan and to report economic variables;
(b) Member States shall report which fleet segments have been grouped at the national level and shall justify the clustering on the basis of statistical analysis;
(c) in their annual report, Member States shall report the number of sampled vessels for each fleet segment regardless of any clustering made to collect or provide the data;
(d) Regional Coordination Meetings shall define homogeneous clustering methodology at the level of supra regions so that economic variables are comparable.

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Source: https://www.legislation.gov.uk/eudn/2010/93/annex/chapter/III/division/A/division/2/division/4 (the official version)
Page: https://openlegislation.uk/eu-decision-2010-93/annex/chapter-III/division-A/division-2/division-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.