3. In these Regulations “EC officially certified pre-basic seed of a listed variety” means —
(a)pre-basic seed of a listed variety officially certified as pre-basic seed by or on behalf of the competent seed certification authority in another member State, and
(b)pre-basic seed of a previously listed variety officially certified as pre-basic seed by or on behalf of the competent seed certification authority in another member State and for which a marketing extension is in force.