42 Pa.C.S. § 8933: Dismissal of criminal cases.

(a) General rule.--In a felony case where no attorney appears on behalf of the Commonwealth at a preliminary hearing or where the victim fails to appear, the issuing authority shall not discharge the defendant for this reason until the issuing authority makes a reasonable attempt to locate the attorney or victim and provides him an opportunity to appear.

(b) Definition.--As used in this section, the term "reasonable attempt" means requiring court personnel to attempt to locate the attorney or victim within the courthouse, office or place of residence.