California Code, Public Utilities Code - PUC § 5412.2

(a) When a person is convicted of the offense of operating a taxicab without a valid certificate or permit, in addition to any other penalties provided by law, if the court determines the operator has the ability to pay, the court shall impose a mandatory fine not exceeding two thousand five hundred dollars ($2,500) for a first conviction or five thousand dollars ($5,000) for a subsequent conviction.

(b) When a person is convicted of the offense of operating a charter-party carrier of passengers without a valid certificate or permit, in addition to any other penalties provided by law, if the court determines the operator has the ability to pay, the court shall impose a mandatory fine not exceeding ten thousand dollars ($10,000) for a first conviction or twenty-five thousand dollars ($25,000) for a subsequent conviction.

(c) As used in this section, “taxicab” means a passenger vehicle designed for carrying not more than eight persons, excluding the driver, and used to carry passengers for hire. “Taxicab” shall not include a charter-party carrier of passengers within the meaning of this chapter.