A practitioner shall not make or cause to be made a false or misleading communication about the practitioner's occupation or profession, or services.
A practitioner shall not falsely represent that the practitioner is certified by, a member of, or otherwise endorsed by, a professional society, association, or other organization.
A practitioner shall not communicate that the practitioner specializes in a particular field of the practitioner's occupation or profession unless the practitioner is in fact a specialist in the particular field or possesses a certificate required by the occupation or profession to be a specialist in the field.
Subject to this section, a practitioner may advertise services through media such as a telephone directory, legal director, newspaper or other periodical, radio or television, or written communication not involving personal contact.
As used in this section, a communication is "false" or "misleading" if it:
D.C. Mun. Regs. tit. 17, r. 17-3310