24 Pa. Stat. § 11-1151-A
Any determination of the arbitrators to be implemented under this article shall be memorialized as a written agreement by and between the school entity and the employe organization to be signed and sealed by their duly appointed officers and agents as provided by law. The executed agreement shall be enforceable by each party in the manner as provided by law, including without limitation and in derogation to the mandatory arbitration of disputes or grievances under the act of July 23, 1970 (P.L. 563, No. 195), known as the "Public Employe Relations Act." In the event that a school entity or an employe organization refuses to execute a written agreement under this section, the employe organization or the school entity may institute a cause of action in the court of common pleas to compel compliance with the provision of this section requiring a written agreement and, in the appropriate case, specific performance of the determination.
24 P.S. § 11-1151-A