# Council Directive 98/57/EC of 20 July 1998 on the control of Ralstonia solanacearum (Smith) Yabuuchi et al., Division 2.4

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

A positive IF test is achieved if the IF titre of the culture is equivalent to that of the positive control.

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Source: https://www.legislation.gov.uk/eudr/1998/57/annex/II/section/VI/division/B/division/2/division/2.4 (the official version)
Page: https://openlegislation.uk/eu-directive-1998-57/annex-II/section-VI/division-B/division-2/division-2.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.