# 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 2: For the discards:

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

(a) data related to quarterly estimates of discards length and age composition for Group 1 and Group 2 species must lead to a precision of level 1;
(b) weight estimates of Group 1, 2 and 3 species must lead to a precision of level 1.

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Source: https://www.legislation.gov.uk/eudn/2010/93/annex/chapter/III/division/B/division/B1/division/4/division/2 (the official version)
Page: https://openlegislation.uk/eu-decision-2010-93/annex/chapter-III/division-B/division-B1/division-4/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.