Revenue and Taxation Code section 20643

If any claimant fails or refuses to furnish any information requested in writing by the Franchise Tax Board, pursuant to this part, Chapter 1 (commencing with Section 20501), or by the Controller, pursuant to Chapter 2 (commencing with Section 20581), Chapter 3 (commencing with Section 20625), Chapter 3.3 (commencing with Section 20639), or Chapter 3.5 (commencing with Section 20640) or files a fraudulent claim, the assistance or postponement authorized by this part shall be disallowed.

Source: Section 20643, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=RTC§ionNum=20643.­ (updated Jan. 1, 1983; accessed Jul. 21, 2025).

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Verified:
Jul. 21, 2025

§ 20643's source at ca​.gov