D.C. Mun. Regs. tit. 31, § 513
513
513.1
An owner, employee, agent, or representative or affiliate of a taxicab company, association, or fleet, while performing duties or responsibilities related to the operations of the taxicab company, association, or fleet, shall not:
(a) Threaten, harass, or abuse a Commission representative, District government employee, or other person; or
(b) Use or attempt to use physical force against a Commission representative, District government employee, or other person.
SOURCE: Final Rulemaking published at 59 DCR 8549, 8560 (July 20, 2012).