California Code, Labor Code - LAB § 1309

Every person who takes, receives, hires, employs, uses, exhibits, or has in custody, for any of the purposes mentioned in Section 1308, any minor under the age of 16, or under the age of 18, as specified in paragraph (3) of subdivision (a) of Section 1308, is guilty of a misdemeanor punishable by a fine of not less than one thousand dollars ($1,000) nor more than five thousand dollars ($5,000), or imprisonment for not more than six months, or both.

Any person who willfully violates this section shall, upon conviction, be subject to a fine of not more than ten thousand dollars ($10,000), or to imprisonment in the county jail for not more than six months, or both.  A person shall not be imprisoned under this section, except for an offense committed after the conviction of that person for a prior offense under this chapter.