^[PDF] Extend temporary person income tax rate increases on high-income taxpayers (Amendment #1).

Proposition 30 temporarily raised state taxes.  Sales Taxes. Proposition 30 increased the state sales tax rate by one-quarter cent from 2013 through 2016. In the current fiscal year, this increase is expected to raise $1.5 billion of revenue.  Income Taxes.
https://lao.ca.gov/ballot/2015/150643.pdf

^[PDF] Overview of Proposition 26

In the spring of 2010, the state increased taxes on gasoline suppliers, but decreased other fuel taxes paid by gasoline sellers. These tax changes do not raise overall revenues but give the state greater spending fl exibility.
https://lao.ca.gov/handouts/localgov/2010/Proposition_26_9_29_10.pdf

^[PDF] Local rent control laws.

State and Local Government Tax Revenues. Three taxes are the largest sources of tax revenue for the state and local governments in California—personal income tax, property tax, and sales tax. The state collects a personal income tax on income—including rent received by landlords—earned within the state.
https://lao.ca.gov/ballot/2022/220574.pdf

An Overview of California's Research and Development Tax Credit

California and Federal Corporate Tax Liabilities for a Hypothetical California Firm a (In Thousands) State and Federal Tax Liability Without RDC State taxable income State tax liability without RDC 486 State and Federal Tax Liability With RDC State taxable income State tax liability with RDC — Net Value to Firm
https://lao.ca.gov/2003/randd_credit/113003_research_development.html

^[PDF] None GENERAL PROGRAM STATEMENT The Renters' Tax

None GENERAL PROGRAM STATEMENT The Renters' Tax Relief program provides a flat grant of $37 to renters of all ages and at all levels of income; This assistance is disbursed in the form of a "refundable" income tax credit, i.e., the $37 grant first is used to offset income taxes due, with any amount in excess of the tax liability paid dire,ctly to the claimant.
https://lao.ca.gov/analysis/1978/13_tax_relief_1978.pdf

Overview of the 1996-97 Governor's Budget

This would result in lower federal itemized deductions and, as a result, higher federal income tax liabilities. Based upon estimates provided by the Franchise Tax Board , about one-fourth of the combined personal income tax and bank and corporation tax reduction would be offset by higher federal income taxes.
https://lao.ca.gov/1996/011896_bud_overview/pb11896.html

October 1995 Cal Update

Proposition 62, an i nitiative adopted by the voters in 1986, prohibits a local agency from imposing (1) a tax for specific purposes (a "special tax ") unless it is approved by two-thirds of the voters or (2) a tax for general purposes (a "general tax ") unless it is approved by a majority of the voters.
https://lao.ca.gov/1995/cal_update/cup1095.html

^[PDF] The 1983-84 Budget: Perspectives and Issues

Increase Rates on Existing Taxes The simplest administrative method for raising additional revenue is to increase the rates on existing taxes. A rate increase applied to any of the state's three major taxes-sales and use tax, personal income tax, and the tax on banks and corporations-would, of course, generate the largest amounts of new revenue.
https://lao.ca.gov/analysis/1983/pandi_83_part1.pdf

^[PDF] 1961 Budget Analysis: Fiscal

The Franchise Tax Board spends about the same amount on field audits for both taxes ($809,000 for personal income tax and $832,000 for franchise tax) although the franchise tax audits are almost three times as productive. 2.
https://lao.ca.gov/analysis/1961/09_fiscal_1961.pdf

^[PDF] Funding and Implementing Individual Health Insurance Market Affordability Policies

Three taxes—the personal income tax, the sales and use tax, and the corporation tax—provided 97 percent of General Fund revenues in 2017-18. The General Fund also receives revenues from the insurance tax and taxes on tobacco and alcoholic beverages.
https://lao.ca.gov/handouts/health/2019/Individual-Health-Insurance-Market-Affordability-Policies-021219.pdf