This Directive covers zootechnical problems, which may arise in intra-Community trade in pure-bred breeding sheep and goats and the semen, ova and embryos thereof. The Commission shall, in accordance with the procedure laid down in Article 8, the criteria for the approval of breeders' organizations and associations which maintain or establish flock books, the criteria for entry or registration in flock books, methods for monitoring performance and assessing the genetic value of pure-bred breeding sheep and goats, the criteria for the approval of a breeding animal for the purpose of using its semen, ova or embryos. Member States shall notify the Commission and the other Member States of the breeders' organizations and associations which are approved for the purpose of maintaining or establishing flock books and which meet the criteria determined in accordance with article 4.