Cal. Gov. Code § 53075.52
Beginning January 1, 2018, taxicab companies shall collect data that demonstrates the total number of prearranged and nonprearranged trips that originate within a particular local jurisdiction for the purpose of determining where that taxicab company is substantially located, and shall provide that data to the city or county in which it is substantially located, consistent with paragraph (9) of subdivision (h) of Section 53075.5. Beginning January 1, 2019, the trip data collected in the previous 12 months shall be provided upon date of renewal to the city or county in which the taxicab company is substantially located. If a taxicab company changes from being substantially located in one city or county to another, the taxicab company shall notify the new city or county six months before making that change and shall comply with the requirements of subparagraph (B) of paragraph (5) of subdivision (k) of Section 53075.5.
Ca. Gov. Code § 53075.52