D.C. Mun. Regs. tit. 24, § 572
572.1 A vendor holding a Vending Business License (Class D) for street photography (and each individual working as an employee or independent contractor of the vendor) shall deliver or cause to be delivered a finished photograph of the person purchasing the photograph either at the time of the purchase of the photograph or within a time period specified on a card handed to the person at the time of the taking of the photograph.
572.2 The card required by § 572.1 shall contain the following:
(a) The name of the vendor;
(b) The name of the employee or independent contractor (if any) taking the photograph;
(c) The vendor's Vending Business License Number;
(d) The employee's or independent contractor's Vendor Employee Identification Badge number;
(e) The telephone number of the vendor; and
(f) The time period within which the photograph shall be delivered and a statement that if the photograph is not delivered within the time period specified on the card, the vendor shall refund the purchase price.
572.3 Each finished photograph shall be clear and sharp, and shall show no blur of focus or camera movement which affects the principal subject.
SOURCE: Final Rulemaking published at 60 DCR 13055 (September 20, 2013).