These Regulations which implement certain amendments and extensions to the Plant Varieties (Proprietary Rights) Act, 1980 prescribe: (1) the crop species to which the grant of rights applies; (2) duration of rights; (3) fees to be charged. They allow the holder of an Irish grant of plant breeders' rights to keep in place his national plant breeders' rights (but without exercising such rights) and thereby retain the option of reverting to the exercise of national plant breeders' rights if the Com