D.C. Mun. Regs. tit. 25, r. 25-G708
No operator shall permit a person to perform or offer to perform body art procedures, use any words or letters, figures, titles, signs, cards, advertisement, or any other symbols or devices indicating or tending to indicate that the person is authorized to perform such services, or use other letters or titles in connection with that person's name which in any way represents himself or herself as being engaged in the practice of body art, or authorized to do so, unless the person is licensed by and registered with the Mayor to perform body art procedures in the District of Columbia.
No operator shall permit a person to perform any body art procedure on anyone under the age of eighteen (18) years of age, except as specified in Subsection 201.2.
An operator shall not allow an ear piercing system to be used on any part of a customer's body other than the lobe of the ear.
No operator shall allow a body art procedure to be performed if the customer is unable to exercise reasonable care and safety or is otherwise impaired by reason of illness, while under the influence of alcohol, or while using any controlled substance or narcotic drug as defined in 21 USC § 802(6) or (17), respectively, or other drug in excess of therapeutic amounts or without valid medical indication, or any combination thereof.
No one shall be tattooed or pierced at any location in the establishment other than in a designated work area.
No customer shall be allowed to perform their own tattoo, piercing or insertions anywhere on the premises.
No food, drink, tobacco product, or personal effects shall be allowed to contaminate a procedural area.
Body artists shall not eat or drink while performing a procedure. If a customer requests to eat, drink or smoke, the procedure shall be stopped and the procedure site shall be protected from possible contamination, and, if possible, the customer may leave the procedure area to eat or drink. The customer shall leave the procedure area to smoke.
During a branding procedure, an operator shall ensure the body artist and the customer wear appropriate protective face filter masks.
Body art procedures shall not be performed on animals in a body art establishment.
D.C. Mun. Regs. tit. 25, r. 25-G708