(a) General ruleUpon application of a child, parent, guardian, custodian, probation officer, district attorney, or other party to the proceedings, the court, master, or the clerk of the court shall issue, or the court or master may on its own motion issue, subpoenas requiring attendance and testimony of witnesses and production of papers at any hearing under this chapter.(b) Copy to parents, guardians and custodians(1) A copy of the subpoena requiring attendance and testimony of a witness who is under 18 years of age shall be issued to the parent, guardian or other custodian of the witness in addition to the issuance of the subpoena for the witness.(2) The court may waive issuance of the copy under paragraph (1) for cause shown in a specific case.1976, July 9, P.L. 586, No. 142, § 2, effective 6/27/1978. Amended 2008, Oct. 9, P.L. 1352, No. 98, §7, effective in 60 days [ 12/8/2008].