SB 711, which would update California’s specified conformity date from January 1, 2015, to January 1, 2025, moved out of the California Assembly’s Appropriation Committee on August 29, 2025. This means it will be voted on by the California Assembly next week and then will go back to the Senate to concur on the changes made in the Assembly.
It’s important to note that if SB 711 is enacted, the January 1, 2025, conformity date means that California will not conform to the changes made by the One Big, Beautiful Bill Act (P.L. 119-21), because that was enacted on July 4, 2025.
However, SB 711 would conform to hundreds, but not all, of the federal tax changes that were enacted since January 1, 2015, including:
- SECURE Act and SECURE 2.0 Act provisions that allow deductions for IRA contributions for individuals age 70½ and older as well as increased deductible catch-up contribution amounts and SIMPLE contribution amounts;
- The TCJA’s treatment of alimony; and
- The federal alternative simplified Research Credit (with modifications).
SB 711 specifically does not conform to many of the big ticket items enacted by the TCJA, such as the:
- Qualified business income deduction under IRC §199A;
- Repeal of the 2% miscellaneous itemized deduction;
- Business interest limitation under IRC §163(j); and
- $750,000 cap on mortgage interest expenses.
In addition, California would still not conform to health savings account treatment, MACRs for corporations, bonus depreciation, and increased IRC §179 expenses.
Taxpayers and tax professionals who would like to see California tax preparation simplified as a result of this proposed conformity legislation should contact their state assemblymembers and senators as soon as possible to request their support for SB 711.
You can look up your state legislator’s contact information at:
http://findyourrep.legislature.ca.gov
Sign up for Spidell’s 2025/2026 Federal and California Tax Update webinar and get more information on California conformity to federal tax provisions. Click here and register today.