470 A.2d 1124 McCrory Stores, Petitioner v. Workmen’s Compensation Appeal Board (Hopkins), Respondents. Commonwealth Court of Pennsylvania. January 31, 1984. Workmen’s compensation — Modification — Burden of proof. 1. When an employer seeks to modify a workmen’s compensation agreement by asserting that a claimant’s disability is no longer total, the employer has the burden of […]