Penn. Del. Cnty. 545(c)
As amended through July 15, 2018
The issuance of a subpoena from the Court of Common Pleas through the Office of Judicial Support shall be sufficient for the summoning of witnesses for the Commonwealth or the Defendant in any criminal proceeding before a Magisterial District Judge. Service of the subpoena shall be the responsibility of the party requesting the subpoena and the appearance of the witness.
Penn. Del. Cnty. 545(c)