Some background from Wikipedia:
San Francisco: Law and Government
Those from outside of San Francisco, such as other Americans, Poles, citizens of Commonwealth nations, and those who Prius-in from Cayuga Terrace and Portola, who are accustomed to forms of government described in classic literature and practiced worldwide are often confused by the city.
Rather than a democratically elected government with a civil service, or even an authoritarian regime, the city of San Francisco is directly governed by a series of festive and colorful parades.
Some are recurring, others ad hoc.
An example of this is the city ordinance requiring the distribution of branded prophylactics at all meetings or gatherings within the city of one or more people (males.)
This ordinance, adopted sequentially in the Festive and Colorful Parade of November 1997, the Festive and Colorful Parade of 1999, then defeated in the Festive and Colorful Parade of 2006, but then reinstated in the Festive and Colorful Anti-Defeat Pride Parade of 2009, often confuses outsiders. City citizens often will remind outsiders that the requirement to use prophylactics applies only to autoerotic activities (called "self expression" by native San Franciscans.)
The use of prophylactics for activities involving two to several dozen people is undefined in the city's ordinance books, reflecting Festive and Colorful Parade of October 2004 (a.k.a., the Cocktober Parade.)