California Tax Update: Conformity Changes and Market-Based Sourcing Challenges

California Tax Update: Conformity Changes and Market-Based Sourcing Challenges

March 12, 2026 · 36 min · Episode 132

About this episode

The episode provides an update on California's tax changes and discusses challenges related to market-based sourcing and apportionment.

Join Aprio and our guest Michael Cataldo from Cataldo Tax law firm for an update on the latest changes in California state and local taxes. We will discuss the new legislation that aligns California more closely with the Internal Revenue Code and highlight key exceptions. In addition, we’ll cover apportionment, nexus, and market-based sourcing challenges, plus recent income tax cases shaping the rules for doing business in California. Listen now for the latest insights to help stay ahead in the rapidly evolving tax landscape. Key Takeaways: California’s new conformity law aligns with the IRC, but key exceptions still create complexity. Market-based sourcing and apportionment rules remain major compliance pressure points. Nexus standards continue to evolve, impacting multistate businesses. Recent income tax cases are reshaping how companies operate in California. Connect Visit us on our website: https://www.aprio.com/business-tax/state-local-tax-salt-consulting/ Subscribe on your favorite podcast app here . Follow us on LinkedIn and YouTube . Disclaimer: The views, thoughts, and opinions expressed on the SALTovation podcast, including that of all participants, are the speaker’s…

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