Following consultation with and agreement of the Presiding Justice of the appropriate Appellate Division, the Chief Administrator of the Courts may establish adolescent diversion parts in Supreme Court or County Court in Bronx, Kings, New York, Queens, Richmond, Nassau, Westchester, Onondaga, and Erie Counties and assign one or more justices or judges to preside therein. Each such part shall have as its purpose the hearing and determination of adolescent diversion part-eligible actions or proceedings.