Home Decisions Topic Index 201.00000 – PARTIES; DEFINITIONS; WHO IS AN EMPLOYER? All subtopics for 201.00000 – PARTIES; DEFINITIONS; WHO IS AN EMPLOYER? Back to Decision Search 201.01000 – In General 201.02000 – Agents (See also 1400) 201.03000 – Successorship Doctrine 201.04000 – Joint Employer, Single Employer, and Alter Ego Doctrines 201.05000 – Joint Powers Agreements