APPLIES TO All Employers with CO Employees EFFECTIVE As Indicated QUESTIONS? Contact HR On-Call (888) 378-2456 Gender-Based Discrimination. Effective September 11, 2021, Colorado recently passed HB 21-1108 which clarifies prohibited sexual discrimination in employment. Specifically, employers cannot discriminate on the basis of gender expression (i.e., expression of gender to outside world, such as appearance, dress, […]