Article 27
1.
Specific conditions may be established in accordance with the procedure referred to in Article 25(2) to take account of developments in the areas of:
(a)
conditions under which chemically treated seed may be marketed;
(b)
conditions under which seed may be marketed in relation to the conservation in situ and the sustainable use of plant genetic resources, which are associated with specific natural and semi-natural habitats and are threatened by genetic erosion;
(c)
conditions under which seed suitable for organic production may be marketed.
2.
The specific conditions referred to in paragraph 1(b) shall include in particular the following points:
(a)
the seed of these species shall be of a known provenance approved by the appropriate authority in each Member State for marketing the seed in defined areas;
(b)
appropriate quantitative restrictions.