The combined rate of tax imposed in San Joaquin County by any entity pursuant to Part 1.5 (commencing with Section 7200) or Part 1.6 (commencing with Section 7251) of Division 2 of the Revenue and Taxation Code, this chapter, and any other provision of law authorizing the imposition of local sales or transactions and use taxes shall not exceed 2.25 percent. Neither this chapter nor any ordinance or resolution approved pursuant to this chapter shall affect any tax otherwise authorized.
Source:
Section 26292.6, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=GOV§ionNum=26292.6..