77 Pa. Stat. § 2621
In every case where a claim is made against the fund, the fund shall be entitled to every defense against such claim that would have been open to the employer and shall be subrogated to every right of the employer arising out of such accident against the employe, the dependents and against third persons. The fund may, in the name of the State Workers' Insurance Fund, sue or be sued to enforce any right given against or to any subscriber or other person under this act or the Longshore and Harbor Workers' Compensation Act (44 Stat. 1424, 33 U.S.C. § 901 et seq.) or the Federal Coal Mine Health and Safety Act of 1969 ( Public Law 91-173, 30 U.S.C. § 801 et seq.) and employers who want insurance against liability for all sums or under circumstances where an employer becomes legally obligated to pay any employe for damages because of bodily injury by accident or disease, including death at any time resulting therefrom, sustained by such employe arising out of and in the course of his employment; proceedings provided in Article IV may be instituted by or against the fund to enforce, before the Workers' Compensation Appeal Board or any workers' compensation judge thereof, the rights given to or against the fund by this act.
77 P.S. § 2621