District of Columbia Code Division V. Local Business Affairs § 32-931. Restriction on pre-employment marijuana testing.

(1) Affect employee compliance with employer workplace drug policies;

(2) Require an employer to permit or accommodate the use, consumption, possession, transfer, display, transportation, sale, or growing of marijuana in the workplace or at any time during employment;

(3) Interfere with federal employment contracts; or

(4) Prevent the employer from denying a position based on a positive test for marijuana.

(1) “Employer” shall have the same meaning as provided in § 32-1101(6).

(2) “Prospective employee” means any individual applying for employment with an employer.