It shall be unlawful for any person, firm or corporation operating street railways within the City and County of San Francisco, to post or allow to be posted on the windows of street cars operated on the streets of the City and County of San Francisco, any form of advertisement; provided, however, that the terms of this Section shall not prohibit the making use of street car windows for the purpose of advertising matters necessary to the operation of said street railways, or announcements regularly made by the Red Cross, United States or Municipal government authority.
(Added by Ord. 1.075, App. 10/11/38)