(4) Scores. The judge shall be provided with a copyright compliant score with measures numbered. Judges are prohibited from adjudicating a performance if a copyright compliant score is not provided. Exception: A judge may adjudicate an ensemble without a copyright compliant score under both of the following provisions:
(A) A statement from a music retailer or music publisher that no published score exists or is out of print is provided to the judge.
(B) A set of copyright compliant parts is supplied in lieu of the score.