D.C. Mun. Regs. tit. 31, r. 31-1330
A taximeter business owner shall comply with all record keeping procedures established by the Office of Taxicabs. All records required to be kept by the Office of Taxicabs shall be in the form and manner prescribed by the Office of Taxicabs and must be maintained for a period of five (5) years.
All record-keeping entries must be made by a technician certified in accordance with § 1320.3 of these rules.
A taximeter business owner shall account for all certification stickers procured and issued by the taximeter business licensee.
A taximeter business owner shall account for all new or used taximeters that the taximeter business licensee buys, loans, rents, exchanges, or accepts in trade.
A taximeter business owner shall keep records of all sales, installations, inspections, re-inspections, calibrations, repairs and the results thereof.
At any and all times, a taximeter business owner shall make available for examination, to any agent of the Commission, or any other properly authorized law enforcement officer, all the records the official taximeter business is required to keep.
A taximeter business owner shall permit any agent of the Commission or any law enforcement official to inspect any portion of its business premises at any time.
D.C. Mun. Regs. tit. 31, r. 31-1330