43. In these Regulations, in relation to barley, durum wheat, oats, spelt wheat, triticale and wheat, other than a hybrid in each case, “C2 seed” means seed that—
(a)has been produced directly from—
(i)officially certified basic seed;
(ii)officially certified C1 seed; or
(iii)with the breeder’s written authority, from officially certified pre-basic seed, and
(b)is intended for purposes other than the production of cereal seed.