Department of Labor. Resolving labor disputes, enforcing labor laws, and managing the relationship between the City administration and City employee unions.The Fair Workweek law in Philadelphia requires covered employers to provide service, retail, and hospitality workers with a predictable work schedule. Philadelphia has specific regulations that protect you from workplace discrimination, ensure fair wages, and dictate working conditions. This state-specific guide covers labor and employment case law, statutes, rules, and regulations that HR professionals and clients often encounter Know Your Rights at Work. The Pennsylvania Human Relations Act (PHRA) provides protections if you work for a company with four or more employees. In this guide, we'll provide a general overview of Pennsylvania's employment and benefits regulations for small to mid-sized businesses. Employment Law - Philadelphia Discrimination Lawyer. In Pennsylvania, state agencies can't ask job applicants about their salary histories.