California Lawmakers Open to Conformity With Part of GOP Tax Law

Oct. 24, 2025, 9:05 PM UTC

With California’s recent adoption of a long-awaited tax conformity update, a senior legislative staffer told tax lawyers Friday not to expect another broad attempt next year, but that there could be smaller efforts to make additional changes.

“We want this to work, we want it to achieve its administrative simplicity goals,” Colin Grinnell, chief consultant to the state senate Committee on Revenue and Taxation, said. “There will likely be clean-up legislation.”

Grinnell spoke in Sacramento as part of a panel hosted by the California Lawyers Association to discuss future state tax legislation.

He said he expects some revisions ...

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