Section 43155 Of Article 1. Returns And Payments From California Revenue And Taxation Code >> Division 2. >> Part 22. >> Chapter 3. >> Article 1.

. (a) Any person who fails to pay any tax or prepayment, except amounts of determinations made by the board under Article 2 (commencing with Section 43201), within the time required shall pay a penalty of 10 percent of the tax or prepayment, plus interest at the modified adjusted rate per month, or fraction thereof, established pursuant to Section 6591.5, from the date on which the tax or the amount of tax required to be collected became due and payable to the state until the date of payment.
  (b) Any person who fails to file a return or prepayment with the board in accordance with this part within the time prescribed for the filing of a return or prepayment, a penalty of 10 percent of the amount of tax or prepayment shall be added thereto on account of the delinquency.
  (c) The penalties imposed by this section shall be limited to a maximum of 10 percent of the taxes for which the return or prepayment is required for any one return or prepayment.