No charter-party carrier of passengers shall advertise its services, or in any manner represent its services, as being a taxicab or taxi service. For the purposes of this section, “advertise” includes any business card, stationery, brochure, flyer, circular, newsletter, fax form, printed or published paid advertisement in any media form, or telephone book listing.
Source:
Section 5386.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=PUC§ionNum=5386.5..