In litigation, the City of San Francisco and City of Los Angeles reported that Uber in January 2013 agreed with the California Public Utilities Commission not to transport passengers onto airport property unless granted permission by the relevant airport authority. Uber obtained no such permission from Los Angeles International Airport or San Francisco International Airport as of December 2014. Despite the CPUC agreement and a cease-and-desist letter from the San Francisco International Airport, Uber continued operation. The cities described Uber’s conduct as “intransigent refusal” to follow the law.