77 Pa. Stat. § 951
Execution may issue by first filing with the prothonotary an affidavit that there has been a default in payments of compensation due on any judgment for compensation, entered prior to the approval of the compensation agreement, or an award on petition, as soon as such agreement shall have been approved by the department or such award made as evidenced by the approval of the board of the award or by a certified copy thereof.
Execution shall in all cases be for the amount of compensation and interest thereon due and payable up to the date of the issuance of said execution, with costs, and further execution may issue from time to time as further compensation shall become due and payable until full amount of the judgment with costs shall have actually been paid.
77 P.S. § 951