Revenue and Taxation Code section 24440

(a)

Section 280C(b) of the Internal Revenue Code, relating to credit for qualified clinical testing expenses for certain drugs, shall apply, except as otherwise provided.

(b)

(1)Section 280C(c) of the Internal Revenue Code, relating to credit for increasing research activities, shall apply, except as otherwise provided.

(2)

The amendments made by Section 13206(d)(2)(A) of the Tax Cuts and Jobs Act, 2017 (Public Law 115-97) to Section 280C(c) of the Internal Revenue Code, relating to credit for increasing research activities, shall not apply, except as otherwise provided.

(3)

Section 280C(c)(2)(B) of the Internal Revenue Code, as enacted pursuant to Section 13206(d)(2)(A) of the Tax Cuts and Jobs Act, 2017 (Public Law 115-97), is modified to refer to Section 23151, 23186, or 23802 in lieu of Section 11(b) of the Internal Revenue Code.

Source: Section 24440, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=RTC§ionNum=24440.­ (updated Oct. 1, 2025; accessed Oct. 13, 2025).

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Verified:
Oct. 13, 2025

§ 24440's source at ca​.gov