Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 49 - ADMINISTRATION-BUILDINGS
Section 49.4 - Professional registration requirements

Buildings shall be designed by an architect or engineer regularly engaged in the profession and registered in this Commonwealth under the Architects Licensure Law (63 P. S. §§ 34.1-34.22), or the Professional Engineers Registration Law (63 P. S. §§ 148-158) except that this shall not prohibit persons from preparing any drawings or other design documents for the remodeling or alteration of a building not involving structural or egress changes or additions thereto, if the author of such plans or other design documents does not receive any compensation as the author thereof.