498 A.2d 996 State College Manor Ltd., Petitioner v. Commonwealth of Pennsylvania, Department of Public Welfare, Respondent. Commonwealth Court of Pennsylvania.Argued May 9, 1985 September 25, 1985. Department of Public Welfare — Medical assistance reimbursement — Timeliness of invoice — Regulations — Equity — Substantial performance. 1. Duly authorized and promulgated administrative regulations have the […]