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California Conformity to Federal Law

Yearly Summary of Federal Income Tax Changes

On or before January 10 of each year (unless federal changes are enacted late in the year), we provide an annual report (Summary of Federal Income Tax Changes) to the Legislature concerning changes to federal tax law occurring during the previous calendar year and the effect of those changes on California law.

Conformity Archive

Our conformity archive contains information and analysis on federal income tax changes in previous years.