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Statutory Authority & Basics Law. California taxes C-corporations at a flat 8.84 percent on net income (10.84 percent for banks/financials) under R&TC § 23151, applied on Form 100. Minimum Franchise Tax. Every C-corp also owes $800 each year, due with the first quarter estimate—even if inactive or loss-making. Federal Overlay. C-corps pay IRC § 11 […]
Legal Foundation Statute: California Revenue & Taxation Code (R&TC) § 23455 adopts the federal AMT regime (IRC § 55) with state-specific rates and adjustments. Rate: 6.65 percent of California alternative minimum taxable income (AMTI) after the state exemption; 8.65 percent for banks and financial corporations. Exemption: First $40,000 of AMTI is exempt; the exemption is […]