529 A.2d 1194 Cletus P. Lyman, Richard A. Ash, and Sixteen Twelve Latimer Partners, Appellants v. City of Philadelphia and School District of Philadelphia, Appellees. Commonwealth Court of Pennsylvania.Argued June 8, 1987. August 14, 1987. Taxation — Licensing — Declaratory judgment — Regulation of law practice — Constitution of Pennsylvania, Article V, Section 10 — […]