D.C. Mun. Regs. tit. 15, r. 15-3114
A cable operator shall use its best efforts to make all customer services and obligations required pursuant to this chapter 31 available in both English and Spanish. Customer service centers of a cable operator shall be equipped to provide bilingual (English and Spanish) service whether in-person or via telephone calls. The cable operator's staff shall include customer service representatives who can communicate with Spanish-speaking subscribers regarding all issues including, but not limited to, installation services, outages, billing questions, and other inquiries.
A cable operator shall maintain at least one customer service representative per shift who is capable of speaking Spanish during hours when the cable operator's customer service representatives answer calls consistent with subsection 3106.2.
A cable operator shall place on billing statements, a telephone number for communication with Spanish-speaking customer service representatives.
D.C. Mun. Regs. tit. 15, r. 15-3114