Lab. Code, § 3700.5

(a) The failure to secure the payment of compensation as required by this article by one who knew, or because of his or her knowledge or experience should be reasonably expected to have known, of the obligation to secure the payment of compensation, is a misdemeanor punishable by imprisonment in the county jail for up to one year, or by a fine of up to double the amount of premium, as determined by the court, that would otherwise have been due to secure the payment of compensation during the time compensation was not secured, but not less than ten thousand dollars ($10,000), or by both that imprisonment and fine.

(b) A second or subsequent conviction shall be punished by imprisonment in the county jail for a period not to exceed one year, by a fine of triple the amount of premium, or by both that imprisonment and fine, as determined by the court, that would otherwise have been due to secure the payment of compensation during the time payment was not secured, but not less than fifty thousand dollars ($50,000).

(c) Upon a first conviction of a person under this section, the person may be charged the costs of investigation at the discretion of the court. Upon a subsequent conviction, the person shall be charged the costs of investigation in addition to any other penalties pursuant to subdivision (b). The costs of investigation shall be paid only after the payment of any benefits that may be owed to injured workers, any reimbursement that may be owed to the director for benefits provided to the injured worker pursuant to Section 3717, and any other penalty assessments that may be owed.