The Pennsylvania Human Relations Act generally applies to any employer with at least four employees and individual contractors. This Pennsylvania employment law overview reviews requirements employers should know if they have employees working in the state.This state-specific guide covers labor and employment case law, statutes, rules, and regulations that HR professionals and clients often encounter Pennsylvania is an employment at will jurisdiction which means that an employer can terminate an employee for any reason or no reason at all. Employment and labor laws serve as guiding principles to ensure fairness, protection, and justice for both employers and employees. This section of PALawHelp. Org has information and resources about Employee Rights in Pennsylvania.