D.C. Mun. Regs. tit. 31, § 505
505.1 The Office shall not issue any new independent taxicab numbers. Each taxicab vehicle in operation in the District shall be identified by the PVIN assigned to it pursuant to this title.
505.2 Effective December 31, 2015, each independent taxicab owner (“applicant”) shall apply annually for a certificate of operating authority using a form provided by and in a manner established by the Office, for which the Office shall charge a fee of fifty dollars ($50), which shall include the following information and documentation:
requirements, including but not limited to filing the FR-500 Combined Business Tax Registration Application Form and the FR-500T, Taxicab and Limousine Supplemental Information Form;
(m) Verification that the applicant has applied for and is pre-approved for insurance that complies with District of Columbia insurance requirements and the requirements of Chapter 9 of this title; and
(n) The trade name and any design, insignia, logo, term, symbol, lettering, or other exterior object, pursuant to § 503 of this chapter.
505.3 Each independent taxicab owner shall report to the Office any change in the information required by § 502.5 within three (3) business days.
505.4 Each independent taxicab shall be in compliance with the uniform color scheme requirements of §§ 503.1 and 503.3.
505.5 An independent taxicab number shall not be displayed on a vehicle that is not painted in the uniform color scheme, except where consistent with § 503.3 (d).
505.6 Each independent taxicab shall have displayed on the exterior of each rear door the following markings, in the following order, centered, from top to bottom, which shall comply with § 505.12:
(a) The name of the taxicab owner, or the owner's trade name or insignia;
(b) The word "taxicab" unless the word "cab" or "taxicab" is part of the trade name or insignia;
(c) The vehicle's independent taxicab number centered within a rectangular box, so as to be clearly visible from the rear; and
(d) A bona fide 24-hour customer service telephone number which is either a toll free number or a local number with a "202" area code.
505.7 Except as provided otherwise in this title, all information required by § 1010.14 shall be updated within three (3) business days.
505.8 All letters and numbers on independently operated taxicabs shall be Gothic in style, three (3) inches high, three-eighths (3/8) of an inch wide, with three-eighths (3/8) of an inch between each digit and the inside edge. The letters and numbers shall be painted as follows on taxicabs not yet required by this title to be painted in the uniform color scheme:
(a) On taxicabs with the body painted black, the numbers, letters, and boxes required by this section shall be white; and
(b) On taxicabs with the body painted white, the numbers, letters, and boxes required by this section shall be black.
505.9 No independent taxicab number issued for a taxicab vehicle may be transferred to another taxicab vehicle.
505.10 If an independent taxicab number assigned by the Office is surrendered by the owner or revoked by the Commission, the number shall be null and void and may not be reclaimed, reassigned, reissued, renewed, or redistributed by the Office.
505.11 Each independent taxicab owner shall maintain a computerized data system capable of electronically submitting to the Office all information required by this Title and other applicable law.
505.12 Each independent taxicab owner shall provide one or more safety devices for all its owned and associated vehicles which conforms to the equipment standards of § 603.8(n)(3), as specified in an administrative issuance, including a device which also provides for driver's safety.
505.13 Each independent taxicab owner shall maintain a website containing only current and accurate information about the company or association.
SOURCE: Final Rulemaking published at 37 DCR 3595, 3599 (June 1, 1990); as amended by Final Rulemaking published at 40 DCR 4047, 4048 (June 25, 1993); and by Final Rulemaking published 45 DCR 8866, 8867 (December 11, 1998); as amended by Final Rulemaking published at 52 DCR 6678 (July 15, 2005); as amended by Final Rulemaking published at 53 DCR 853 (February 10, 2006); as amended by Final Rulemaking published at 59 DCR 8549, 8554 (July 20, 2012); as amended by Final Rulemaking published at 60 DCR 12387 (August 30, 2013); as amended by Final Rulemaking published at 63 DCR 067 (January 1, 2016); as amended by Final Rulemaking published at 63 DCR 14131 (November 18, 2016).