Tax accountants are often asked to advise their clients on the choice of entity when forming a new business. This decision requires a fundamental understanding of the tax and non-tax advantages and disadvantages of the most common entity types. This module reviews the characteristics of C corporations, S corporations, limited liability companies, and partnerships. After establishing a foundation, the participants are led through an extensive exercise on choosing entity types for many different types of businesses. This module is primarily delivered through group exercises that encourage interaction and participation from the class.