Employers typically establish job-related requirements, the specific tasks or assignments that an employee must perform, and methods to evaluate performance. Evaluation criteria might take into account how well an employee is performing both essential and marginal functions and whether the employee is meeting basic job requirements (e.g., working well with others or serving customers in a professional manner). Employers might also enforce conduct standards (e.g., rules prohibiting destruction of company property or the use of company computers to access pornography). Certain performance and conduct standards will apply to all employees working for a company, organization, or government agency; […]