LAO 2005 Budget Perspectives and Issues: Governor's Budget-Related Reforms

It also raised state spending for tax relief (mainly in the form of increased funding to local governments to replace—or "backfill "—reductions in the vehicle license fee). The effect of these policy changes was to increase ongoing spending commitments to a level that ultimately became unsustainable when revenues fell in 2001-02.
https://lao.ca.gov/analysis_2005/2005_pandi/pi_part_5_1_budget_reforms_anl05.htm

^[PDF] LAO 2006-07 Budget Analysis: General Government

LAO 2006-07 Budget Analysis: General Government F - General Government 2006-07 Analysis and dependent care expense credit, which is a refundable tax credit available to eligible taxpayers who have expenses associated with children or other dependents, and (2) the enterprise zone hiring credit, which is available to businesses operating in certain geographic areas who hire certain quali- fied individuals.
https://lao.ca.gov/analysis_2006/general_govt/gengov_anl06.pdf

^[PDF] Bear and Wilderness Protection Act of 1998

Lungren 3 March 17, 1998 FISCAL EFFECTS Increase in Sales and Use Taxes. In general, tangible goods purchased in California, or outside the state for use inside California, are subject to the state sales and use taxes.
https://lao.ca.gov/ballot/1998/980082_INT.pdf

^[PDF] O:WILInitiatives999990163_INT.PDF

Increased Tax on Tobacco Products Proposition 10 increased the excise tax on cigarettes by 50 cents per pack beginning January 1, 1999, bringing the total state excise tax on this product to 87 cents per pack.
https://lao.ca.gov/ballot/1999/990163_INT.pdf

^[PDF] "The Majority Rule Act for Smaller Classes, Safer Schools and Financial Accountability"

BACKGROUND The Constitution currently limits the amount of any ad valorem tax on real property to 1 percent of the full cash value of the property. The amount can be higher to pay for any indebtedness approved by the voters in the local jurisdiction prior to July 1, 1978, and certain bonded indebtedness approved by two-thirds of the voters voting on a local proposition on or after July 1, 1978.
https://lao.ca.gov/ballot/1999/990252_INT.pdf

^[PDF] Constitutional Amendment

A uniform local tax rate of 1.25 percent is levied in all counties, and local governments are authorized to levy an optional additional tax of not to exceed 1.5 percent. Currently, total sales tax rates range from 7.25 percent to 8.5 percent.
https://lao.ca.gov/ballot/1999/990809_INT.pdf

Reinvesting in California Schools Act

Tax Increases The measure directs the Legislature to impose new taxes or increase existing taxes to generate revenues sufficient to fund the required spending increases. These additional taxes w ould be phased in over a five-year period corresponding to the phase-in schedule for spending increases.
https://lao.ca.gov/ballot/1999/990843_INT.html

People's Gaming Act

In addition, surrounding local governments could receive increased revenues from taxes relating to secondary economic activity in their areas resulting from the gaming operations. Summary This initiative could result in revenues to the state and local governments--potentially  in the hundreds of millions of dollars annually--from fees and taxes associated with Las Vegas- and Atlantic City-type operations and other related economic activity.
https://lao.ca.gov/ballot/2001/010101_INT.htm

The CalFed-Home Water Agency Act #21336

Unknown impact on future local government property tax revenues.
https://lao.ca.gov/ballot/2001/010279_INT.htm

California Welfare Reform Act of 2002

State Income Taxes.  This provision would result in unknown costs associated with claims filed against the state by rental property owners. Nonresidents Receiving Benefits. This provision would result in unknown costs associated with prosecuting and incarcerating nonresidents who receive welfare benefits.
https://lao.ca.gov/ballot/2001/010321_INT.htm