Yellow Freight System v. Workmen's Compensation Appeal Board

Opinion by

Judge Doyle,

This is an appeal by Yellow Freight System, Inc. (Yellow Freight) from an order of the Workmen’s Compensation Appeal Board (Board) affirming the decision of a referee to set aside a final receipt and grant an award of compensation benefits to Roy McGill (Claimant).

On March 4, 1977, Claimant suffered an acute lumbosacral disc extrusion while working for Yellow Freight as a casual employee. As a result thereof, Claimant received compensation benefits from that date until May 16, 1977, when a final receipt was exe*502cuted. Claimant did not work for Yellow Freight in any…