D.C. Mun. Regs. tit. 15, § 3198
3198.1 Each cable operator employee or subcontractor who comes into contact with subscribers at subscriber premises shall wear and prominently display a picture identification card that clearly indicates his or her name and employment with the cable operator or subcontractor and shall, upon request, show the identification card.
3198.2 A cable operator shall clearly identify all of its vehicles as being associated with the cable operator. A cable operator's contractor shall label all of its vehicles with the name of the contractor and identify such vehicles as contracting for the cable operator.
3198.3 In connection with a transaction between a cable operator and a subscriber that involves a visit to a subscriber's address, a cable operator shall provide the subscriber a written receipt describing the transaction and the date and time thereof.
3198.4 In the event a cable operator makes a change in staffing, equipment, or resources (for example, a decrease in its service workforce) that materially affects its ability to fulfill the requirements of this chapter 31, a cable operator shall promptly provide a written report to OCT explaining the change(s) and the justification therefore.
SOURCE: Final Rulemaking published at 49 DCR 6797 (July 19, 2002).