10. Certified seed is seed—
(a)of rye and maize and hybrids of barley, oats, wheat, durum wheat, spelt wheat and self-pollinating triticale;
(b)that has been produced directly from basic seed or, if the breeder so requests, from seed of a generation prior to basic seed that satisfies the conditions for basic seed;
(c)that is intended for purposes other than the production of cereal seed.