All Roll Calls
Yes: 168 • No: 3
Sponsored By: Jerry McNerney (Democratic)
Signed by Governor
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79 provisions identified: 27 benefits, 25 costs, 27 mixed.
From January 1, 2021 through November 30, 2027, California offers a historic rehabilitation tax credit. Most projects get 20% of qualified rehab costs; some certified historic structures get 25% if they meet public‑benefit or location rules. Homeowners can instead claim a one‑time $5,000–$25,000 credit for a qualified residence once every 10 tax years, with a $200,000 modified AGI cap and occupancy rules. Credits are allocated under a $50 million yearly cap with set‑asides, and unused credits carry forward seven years. Projects must meet federal rehabilitation standards and may face recapture if they fall out of compliance.
California lets you claim a child and dependent care tax credit based on your federal amount. For tax years from 2003 on, the state percentage is 50% if your AGI is $40,000 or less; 43% if over $40,000 up to $70,000; 34% if over $70,000 up to $100,000; and 0% if over $100,000. Care must be provided in California. Earned income counts only if it is taxed by California. The special 2021 federal rule does not apply for California.
If your main‑home mortgage debt is forgiven on or after January 1, 2007, California lets you exclude up to $500,000 from income. If you are married filing separately, the limit is $250,000.
You can elect a 20% first‑year allowance for qualifying Section 24356 property to lower taxable income right away. An accrual‑basis corporation can also treat a board‑approved gift as paid in that year if it is paid by the 15th day of the fourth month after year‑end. Make these elections on the state return as required.
Beginning January 1, 2019, forgiven PPP loans and certain EIDL advances are not taxed by California. Ineligible entities, like many publicly traded companies or those that fail gross‑receipts tests, do not get this break. The Franchise Tax Board issues guidance without formal rulemaking.
California uses its own rules for the research and development tax credit. The credit applies only to research done in California and uses state‑set base rates and elections. Special election rules apply through 2025, with updated simplified credit rates for tax years beginning on or after January 1, 2025.
The state offers a credit equal to 20% of qualified rehab costs, or 25% for certain projects. There is a $50 million yearly cap through 2027 and an $8 million set‑aside for small projects under $1 million. Projects need cost certification (CPA required over $250,000). The section repeals December 1, 2027.
You cannot deduct travel, meals, or lodging unless the trip had no significant personal, recreation, or vacation element. This applies to business and work travel costs. Many filers who used to deduct these costs will owe more tax unless they meet this strict test.
California caps Section 179 expensing at $25,000 per year and reduces it when property costs exceed $200,000. The 20% first‑year allowance applies to only $10,000 of cost (max $2,000 deduction). The state does not adopt several federal Section 179 expansions or election rules. This lowers immediate write‑offs on California returns.
California does not follow federal bonus depreciation and special allowances. You cannot claim those accelerated write‑offs on your state return. You must use California’s depreciation rules instead.
California does not allow the federal 20% qualified business income deduction. Owners of pass‑through businesses must pay state tax on that income without this federal break.
For tax years starting on or after 2021 and before 2026, a qualified pass‑through can elect to pay a 9.3% tax on its qualified net income. The choice is made on the original, on‑time return and cannot be changed for that year. The election binds owners as the law specifies.
California removes the federal adjusted financial statement income rule from state AMT. The state also changes how the minimum tax credit is computed by modifying which credits reduce regular tax and by not applying a federal corporate clause. These changes alter who owes AMT and how credits carry forward.
To claim the California R&D credit, most qualifying research must be done in California. Credit percentages and options change, including for tax years starting on or after January 1, 2025. Some costs already exempt from sales/use tax do not count for the credit.
California does not adopt the federal carried‑interest change in IRC 1061. Partners and service providers with carried interest keep the state’s more favorable treatment in many cases. This can lower California tax on those gains.
California does not use the federal excess farm loss limit. If you have excess business losses, the disallowed amount carries over to the next year. This can reduce current tax or preserve losses for later.
If you replant grapevines due to phylloxera or Pierce’s disease, California treats them as five‑year property with a 10‑year class life. Keep a written certification from a qualified adviser or the State Agricultural Commissioner. Sales of livestock due to drought, flood, or other weather are treated under special timing for sales after December 31, 1996, but not for tax years starting on or after January 1, 1998.
California keeps employer deductions for certain fringe benefits that federal law limits. The state also does not apply the federal rule that can cut deductions when you claim some employment or research credits. This can lower state taxable income for employers.
The law keeps California’s net operating loss (NOL) rules and does not use recent federal changes. For losses from 2013–2018, you can carry them back two years: 50% of 2013 losses, 75% of 2014 losses, and up to 100% for 2015–2018. The share of a loss you can carry forward depends on when it began: 50% before 2000, 55% in 2000–2001, 60% in 2002–2003, and 100% for 2004 or later. This changes how much past and future income your business can offset.
California uses the older federal research expense rule from January 1, 2015. Businesses can deduct research and experimental costs under pre‑2017 rules for state tax.
California does not adopt federal limits on certain fringe‑benefit deductions. Employers can keep using the state’s prior, more generous deduction rules for those benefits. This lowers state taxable income for some employers.
California does not adopt certain federal changes to Section 367(a) and Section 382. Companies follow the state’s older rules for property transfers to foreign corporations and for using NOLs after ownership changes. This can be more favorable than the federal approach in some cases.
California does not allow the federal basis increase for Opportunity Zone investments. The state also does not adopt the federal 100% gain exclusion for qualified small business stock. California does not allow federal capital loss carrybacks. Investors may face higher state tax on gains and fewer tools to offset prior‑year income.
For California taxes, personal casualty and disaster losses follow the state’s older rules. California does not adopt recent federal expansions to these loss rules. Your state deduction may be smaller than your federal deduction.
California does not adopt certain federal SALT deduction rules. You cannot use those federal provisions to deduct more state, local, or foreign taxes on your California return. The state also denies deductions for specified California‑imposed taxes.
Tax preparers who fail to register face a $2,500 fine the first time and $5,000 after that. The first fine is waived if proof of registration is provided within 90 days. The Franchise Tax Board imposes these only after it has funding or an agreement to cover costs.
California changes how net operating losses (NOLs) work. Percent limits and carryover periods vary by the year of the loss. New and small businesses (under $1,000,000 in gross receipts) get special carryover rules. These changes can limit how much loss you can use each year.
If a partnership gets a final federal audit change, it must report it to California within six months. The Franchise Tax Board can collect a partnership‑level tax using the highest state rates, unless the partnership makes a permitted election. These rules apply to the federal regime in place on January 1, 2018.
Partnerships must withhold using California tax rates on California‑source income paid to foreign partners. The state replaces federal rates with California’s maximum rates. This can change how much cash is withheld and remitted.
S corporations owe California tax on built‑in gains from California sources. The recognition period is 10 years, not 5. Tax credits cannot reduce this built‑in gains tax.
Corporate charitable deductions are limited to 10% of adjusted net income each tax year. Amounts above the cap are not deductible. This sets a firm ceiling on corporate giving write‑offs in California.
California applies tighter limits on deducting executive compensation, using March 31, 2019 as the effective date. The state also removes part of the federal covered‑employee definition for state purposes. These rules change which high‑paid compensation is deductible on state returns.
Corporations cannot deduct the federal stock buyback excise tax when computing California income. The federal designated drug excise tax is also not deductible for California tax. These rules can raise state taxable income for affected companies.
Certain foreign‑owned entities must submit federal information (Sections 6038A–D) to the state for years starting on or after January 1, 2016. The state sets a $10,000 penalty for some failures and uses state subpoenas and courts. Businesses that file incorrect information returns or payee statements face state penalties. There is also a $10 per‑failure penalty for missing rollover explanations, capped at $5,000 per year. Some changes apply to returns filed on or after January 1, 2016, and others to returns required on or after January 1, 2026.
For exchanges completed after January 10, 2019, California applies federal 1031 real property rules only if AGI is $500,000 or more (married filing jointly or head of household) or $250,000 or more (single). For tax years starting on or after January 1, 2025, this income test goes away.
California mostly follows federal 529 rules for ScholarShare, but it treats some federal “qualified” distributions as taxable. Rollovers to Roth IRAs can be taxed in California. You may need to file federal 529 reports with the Franchise Tax Board. These rules define which federal 529 changes the state does or does not adopt.
California uses the pre‑2019 federal alimony rules for state taxes. This does not apply to divorce or separation instruments executed after December 31, 2025, and ends December 1, 2027. Nonresidents and part‑year residents with pre‑2026 instruments can claim a pro‑rata alimony deduction based on their California income share.
California uses its own AMT rates and exemption amounts, adjusted yearly for inflation. Income from a trade or business of a qualified taxpayer with under $1,000,000 in gross receipts is excluded from AMT. These rules change who pays AMT and how much.
California keeps older percentage limits and other state rules for charitable deductions. For conservation donations by pass‑throughs made on or after January 1, 2024, the state applies most new federal rules but leaves out a federal regulations clause. The 2% floor on certain itemized deductions still applies in California; the federal suspension does not apply here. High‑income donors and investors may see different results on state returns than on federal returns.
For years before 2025, elective deferrals are excluded only up to the federal amounts in effect on January 1, 2010. Some federal rollover rules do not apply in California, and certain 529‑to‑Roth rollovers are taxable here. California applies basis and timing rules from 2002 for deferrals not excluded.
California applies pre‑2019 alimony tax rules for qualifying divorce or separation instruments. Payments can be deductible to the payer and taxable to the recipient only for instruments executed on or before December 31, 2025, and not later modified unless the change says so. For certain divorce‑related trust and estate payments, the recipient spouse is treated as the beneficiary. These rules do not apply to instruments executed after December 31, 2025. Both sections repeal on December 1, 2027.
California applies its own rules for depreciating luxury vehicles. The state does not adopt certain 2017 federal limits and uses California recovery periods. This can raise or lower your deduction compared with federal law, depending on your car and facts.
California sets timing rules for reporting income on long‑term contracts. Some income is adjusted when the contract finishes. Which rules apply depends on when the contract was signed. Changes in accounting methods need Franchise Tax Board consent.
California generally follows federal S‑corporation rules, but not the federal rule for cash distributions after the post‑termination period. If an S‑corp or its owners made a federal Section 338 election, California treats it as made for state purposes. You cannot make a state‑only 338 election.
If you transfer property to an insurer in certain exchanges, California defers the gain while the insurer owns and uses it in its business. Amortization for pollution control facilities is allowed only for facilities in California, with state certification. Small life insurers keep a state deduction that federal law repealed.
California sets its own rules for long‑term contract accounting and lets you elect to apply them to contracts entered on or after January 1, 2018. The state does not use federal timing rules for sales tied to electric restructuring or for certain credit‑card fees. California also does not apply federal Section 56A (adjusted financial statement income). The federal S‑to‑C conversion adjustment rule does not apply for California.
California uses federal alternative minimum tax (AMT) rules as of January 1, 2015, with state changes. The AMT rate is 7%, or 6.65% for tax years starting in 1997 or later. Some qualifying S corporations are exempt from this AMT chapter. Corporations can use a state minimum tax credit based on federal rules, as modified. Technical adjustments change what counts for AMT.
California does not use the federal cap on business interest deductions. Businesses can generally deduct more interest for state tax. But the state also does not allow the special federal carryforward rule for disallowed interest. Net result: more current deduction room, but no federal-style carryforward relief.
Beginning with years starting in 2022, California does not adopt the federal rule that forces amortization of research costs. Businesses can follow the state’s prior, often more favorable, treatment. The state also applies some federal research credit rules but excludes certain federal changes and uses state cross‑references. This changes how you expense R&D and how related credits apply.
California applies federal pension and minimum funding rules without regard to taxable year, except where state law says otherwise. Employers and plan sponsors follow the same application timing as federal law, subject to listed exceptions.
California does not allow the federal carryforward of disallowed business interest. The state also does not adopt certain federal loss‑limitation rules after ownership changes. But California does not adopt a 2017 federal repeal that removed a transfer exception for business property, keeping the prior exception for state tax.
For AGI‑based limits, a registered domestic partner’s AGI is figured like a spouse for federal purposes, using the same filing status as on the state return. This aligns state AGI rules and can change eligibility for some deductions and credits.
California does not adopt the federal change that reclassified certain self‑created property. The state keeps the prior treatment. This can help creators who hold self‑created property.
The Franchise Tax Board cannot force estate and trust returns to use other formats. Paper forms are accepted. If IRS rules require magnetic‑media filing, the state may accept a copy of your IRS magnetic‑media return and cannot demand more than the IRS requires.
California does not adopt the 2017 federal change to wagering losses. You keep using the prior California treatment for gambling losses.
California adopts higher and indexed IRA and SIMPLE plan catch‑up limits. People aged 60 through 63 can use higher catch‑up amounts. The Legislative Analyst’s Office must report by October 1, 2029 on usage and revenue effects.
If you are a California legislator and live in the district you represent, that home is your tax home. You may treat some travel expenses as job‑related. Federal special rules for legislators’ travel do not apply for California taxes.
For tax years beginning before 2021, you can deduct medical expenses once they exceed 7.5% of AGI. This replaces a 10% floor for those years. AGI means your adjusted gross income for the year.
California still excludes qualified bicycle commuting reimbursements from income. California also keeps the exclusion for qualified moving reimbursements and allows moving expense deductions. This applies even though federal law suspended these breaks for 2018–2025.
The law defines terms for outreach to people likely to qualify for the federal and California Earned Income Tax Credits and free tax help. It lets state agencies use program data to find and serve eligible people. This improves access to tax help and credits.
Beginning with tax years starting January 1, 2027, California adopts the federal rule for certain disability‑related retirement payments to first responders. Qualifying payments are excluded from state taxable income.
If you gave cash in January 2005 to help victims of the December 26, 2004 Indian Ocean tsunami, you can treat it as given on December 31, 2004. That lets you claim the deduction on your 2004 California return.
California keeps the small life insurance company deduction that federal law repealed. Eligible insurers can still claim this deduction on their California returns. This lowers state taxable income for those companies.
California excludes several federal items when figuring state tax. Examples include the foreign earned income exclusion, many foreign tax credit and foreign trust rules, and some special corporate elections. If you have foreign income or special federal credits, your California treatment can differ and your state tax can be higher.
California does not adopt the federal exclusion for East Palestine disaster relief payments. If you received these payments, they may be taxable on your California return.
California does not adopt federal rules for Health Savings Accounts or small‑employer HRAs. Employer contributions and reimbursements under those arrangements may be taxable on your California return.
For items tied to federal three‑year limits, California uses a four‑year period. The Franchise Tax Board has one extra year to audit and assess tax. Keep records for at least four years for those items.
If you left out more than 25% of gross income, California can assess extra tax up to six years after you filed. For estimated tax underpayments, years starting in 1998 or later use a 100% applicable percentage (95% applies only to years before 1998). The law also repeals an older tax code section that no longer applies.
Mortgage insurance premiums are not treated as deductible interest for California taxes. You may get a smaller deduction than on your federal return.
Certain federal wildfire disaster compensation and coal power grants are not excluded from California income. If you received these payments, you may owe California tax on them.
If you cash non‑excluded checks over $10,000 for a person in one deal or across the year, you must file a report with the state. File within 90 days after year‑end. Penalties apply for failing to file or leaving out required details.
If you meet federal proof rules for a charitable gift, California allows the deduction. But the state does not allow the federal non‑itemizer charitable deduction. Standard‑deduction filers cannot claim that special break on California returns.
California changes how some IRA and annuity payouts are taxed. The state may reduce taxable distributions by the lesser of your federal income inclusion or your state‑allowed basis. Some additional tax rates use 2.5% or 6% instead of federal rates. Several recent federal changes to these rules do not apply in California.
A proper federal tax election is usually treated as your California election too. You must provide a copy to the state if asked. Elections made before you were subject to California tax generally carry over, and separate state elections are usually not allowed unless state law says so.
Beginning January 1, 2025, California uses the federal tax code as it read on that date. Later federal changes do not apply unless state law adopts them. For the state AMT, California keeps using the federal AMT rules as of January 1, 2015. When a rule refers to federal Section 501 status, California uses the matching state nonprofit rule (Section 23701).
California follows ESOP rollover rules with state changes. For tax years 1998–2027, only domestic C corporations qualify. For tax years starting in 2028, the S corporation stock rule applies. Sales to eligible farm cooperatives are not adopted.
California repeals Sections 17275.3, 17276.05, and 24462 of the state tax code. The practical effects depend on what those sections used to do. The law removes them from the code.
California does not follow a specific federal REIT special rule. REITs use California’s prior tax rules instead of that federal provision. Effects depend on each REIT’s structure and activity.
California does not adopt two recent federal changes to Section 860E. Investors in affected instruments do not get state‑level changes those federal revisions created. State tax treatment follows California’s prior approach.
Jerry McNerney
Democratic • Senate
There are no cosponsors for this bill.
All Roll Calls
Yes: 168 • No: 3
Senate vote • 9/11/2025
Item 47 — Senate SFLOOR
Yes: 40 • No: 0
House vote • 9/9/2025
Item 159 — Assembly AFLOOR
Yes: 58 • No: 1
legislature vote • 8/29/2025
Vote in CX25
Yes: 11 • No: 1
legislature vote • 7/14/2025
Vote in CX19
Yes: 4 • No: 1
Senate vote • 5/28/2025
Item 195 — Senate SFLOOR
Yes: 38 • No: 0
legislature vote • 5/23/2025
Vote in CS61
Yes: 6 • No: 0
legislature vote • 5/12/2025
Vote in CS61
Yes: 7 • No: 0
legislature vote • 4/23/2025
Vote in CS83
Yes: 4 • No: 0
Chaptered by Secretary of State. Chapter 231, Statutes of 2025.
Approved by the Governor.
Enrolled and presented to the Governor at 11 a.m.
Assembly amendments concurred in. (Ayes 40. Noes 0. Page 2875.) Ordered to engrossing and enrolling.
In Senate. Concurrence in Assembly amendments pending.
Read third time. Urgency clause adopted. Passed. (Ayes 58. Noes 1. Page 3130.) Ordered to the Senate.
Read second time. Ordered to third reading.
Read second time and amended. Ordered to second reading.
From committee: Do pass as amended. (Ayes 11. Noes 1.) (August 29).
August 20 set for first hearing. Placed on APPR. suspense file.
From committee: Do pass and re-refer to Com. on APPR. (Ayes 4. Noes 1.) (July 14). Re-referred to Com. on APPR.
July 14 set for first hearing. Placed on REV. & TAX. suspense file.
From committee with author's amendments. Read second time and amended. Re-referred to Com. on REV. & TAX.
Referred to Com. on REV. & TAX.
In Assembly. Read first time. Held at Desk.
Read third time. Urgency clause adopted. Passed. (Ayes 38. Noes 0. Page 1304.) Ordered to the Assembly.
Read second time. Ordered to third reading.
From committee: Do pass. (Ayes 6. Noes 0. Page 1210.) (May 23).
Set for hearing May 23.
May 12 hearing: Placed on APPR. suspense file.
Set for hearing May 12.
Read second time and amended. Re-referred to Com. on APPR.
From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 4. Noes 0. Page 873.) (April 23).
Set for hearing April 23.
Re-referred to Com. on REV. & TAX.
Chaptered
10/1/2025
Enrolled
9/16/2025
Amended Assembly
9/2/2025
Amended Assembly
7/7/2025
Amended Senate
4/29/2025
Amended Senate
3/26/2025
Introduced
2/21/2025