Cal. RTC § 23042

This is the official text of Cal. RTC § 23042, part of California’s Revenue and Taxation Code — governs state and local taxation, including income and property tax.

Not legal advice. This page reproduces the official text of a government statute for reference only. Laws change, and how a statute applies depends on your specific facts. For advice about your situation, consult a licensed attorney in your state.

Official statutory text

(a) For taxable years beginning prior to January 1, 2000, and the first taxable year beginning on or after January 1, 2000, “income year” means:

(1) For the purposes of the tax imposed under Chapter 2 (commencing with Section 23101), the calendar year or the fiscal year upon the basis of which the net income is computed. “Income year” means, for the purposes of the tax imposed under Chapter 2 (commencing with Section 23101), in the case of a return made for a fractional part of a year, the period for which such return is made.

(2) For the purposes of the tax imposed under Chapter 1.5 (commencing with Section 23081), Chapter 3 (commencing with Section 23501), or Chapter 4 (commencing with Section 23701), wherever “income year” is used throughout this part, it means “taxable year” as that term is defined in Section 23041 for the purposes of the tax imposed under Chapter 1.5 (commencing with Section 23081), Chapter 3 (commencing with Section 23501), or Chapter 4 (commencing with Section 23701).

(3) For purposes of the tax imposed under Chapter 2.5 (commencing with Section 23400), the same as defined in subdivision (a) with respect to a taxpayer subject to the tax imposed under Chapter 2 (commencing with Section 23101) and the same as defined in subdivision (b) with respect to a taxpayer subject to the tax imposed under Chapter 3 (commencing with Section 23501) or Chapter 4 (commencing with Section 23701).

(b) For taxable years (other than the first taxable year) beginning on or after January 1, 2000, the term “income year” shall have the same meaning as the term “taxable year” (as defined by Section 23041).

Status: in_force · Read it on the official government site

Need a lawyer in California?

Find a California lawyer
About this page: Statute text is reproduced from official government publishers via the Open US Law dataset (Vaquill AI, snapshot v2026.08, CC BY 4.0). Primary legislative text like this is public domain under the government-edicts doctrine (Georgia v. Public.Resource.Org, 2020). We link every section back to its official source so you can verify it independently.