A district shall not transact any business or exercise any of its powers under this chapter unless the legislative bodies of two-thirds of the counties and two-thirds of the cities, located within the boundaries of the district, by resolution declare that there is a need for such a district to function in the region.
Source:
Section 65061.3, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=GOV§ionNum=65061.3..