Section 6484.

Cal. Revenue and Taxation Code - RTC § 6484.
in effect
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If any part of the deficiency for which a deficiency determination is made is due to negligence or intentional disregard of this part or authorized rules and regulations, a penalty of 10 per cent of the amount of the determination shall be added thereto.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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