D.C. Mun. Regs. tit. 31, § 1499
1499.1 The terms “independent operator”, “LCS organization”, “limousine,” “luxury class services”, “operator”, “owner”, and “sedan,” shall have the meanings ascribed to them in Chapter 12 of this title.
1499.2 The terms “DDS,” “digital dispatch,” “digital dispatch service,” “digital payment,” and “dispatch” shall have the meanings ascribed to them in Chapter 16 of this title.
1499.3 The terms “cashless payment”, “gratuity”, “payment service provider”, “PSP” and “TCIS” shall have the meanings ascribed to them in Chapter 4 of this title.
1499.4 The following words and phrases shall have the meanings ascribed:
“Associated” - a voluntary relationship of employment, contract, ownership, or other legal affiliation. For purposes of this chapter, an association not in writing shall be ineffective for compliance purposes.
“District enforcement official” - a public vehicle enforcement inspector (hack inspector) or other authorized official, employee, or general counsel of the Office, or any law enforcement official authorized to enforce a provision of this title.
“Sedan passenger surcharge” - a twenty-five cent ($.25) passenger surcharge for each sedan class trip.
SOURCE: Final Rulemaking published at 60 DCR 12410 (August 30, 2013).