The Maine Human Rights Act prohibits discrimination in employment based on race, color, sex (including pregnancy and related medical conditions), sexual orientation (actual or perceived heterosexuality, bisexuality, homosexuality, or gender identity or expression), disability, religion, age (including a prohibition against mandatory retirement), ancestry, or national origin (ME Rev. Stat. Tit. 5 Sec. 4551 et seq.). Discrimination based on sex includes sexual harassment. The law covers all employers in the state, employment agencies, and labor unions.