No employer or prospective employer in the District of Columbia may administer, accept or use the results of any lie detector test in connection with the employment, application or consideration of an individual, or have administered, inside the District of Columbia, any lie detector test to any employee or, in or during any hiring procedure, to any person whose employment, as contemplated at the time of administration of the test, would take place in whole or in part in the District of Columbia.

For purposes of this law, employer means anyone who employs any natural person and who does business in the District of Columbia, but does not include any agency or authority of the federal government.