This document discusses the legal factors used to determine if mashgichim (kosher supervisors) should be classified as employees or independent contractors. It outlines 20 common law factors and tests used by the IRS, Department of Labor, and state agencies. If mashgichim are employees, companies must pay certain taxes and adhere to employment laws. But classifying someone as a contractor avoids these requirements. The document analyzes court cases on mashgichim and provides tips for companies to structure relationships in a way that supports a contractor classification.