Cal. Rev. & Tax. Code § 30471

Any person who fails or refuses to file any report required to be made, or who fails or refuses to furnish a supplemental report or other data required by the board, or who fails or refuses to allow an inspection by the board, pursuant to Section 30435, or who renders a false or fraudulent report is guilty of a misdemeanor and subject to a fine not to exceed one thousand dollars ($1,000) for each offense.