D.C. Mun. Regs. tit. 4, § 899
899.1 When used in this chapter, the following terms and phrases shall have the meanings ascribed:
'Act' - the Human Rights Act of 1977, effective December 13, 1977 (D.C. Law 2-38; D.C. Official code § 2-1401.01 et seq.).
'Commission' - the Commission on Human Rights, established by section 401 of the Act (D.C. Official Code § 2-1404.01).
'Entities' - include all employers, housing providers, public accommodations, educational institutions, and government agencies and their contractors that come within the jurisdictional reach of the Act.
'Gender identity or expression' - a gender-related identity, appearance, expression, or behavior of an individual, regardless of the individual's assigned sex at birth.
'Office' - the Office of Human Rights, established by section 202 of the Fiscal Year 2000 Service Improvement and Budget Support Act of 1999, effective October 20, 1999 (D.C. Law 13-38; D.C. Official Code § 2-1411.01).
'Transgender' - an adjective that refers to any individual whose identity or behavior differs from stereotypical or traditional gender expectations, including transsexual individuals, cross-dressers, androgynous individuals, and others whose appearance or characteristic are perceived to be gender-atypical.
SOURCE: Final Rulemaking published at 53 DCR 8751, 8756 (October 27, 2006).