A manufacturer, jobber, or distributor who willfully fails to enter into a written contract as required by this chapter or willfully fails to pay commissions as provided in the written contract shall be liable to the sales representative in a civil action for treble the damages proved at trial.
Source:
Section 1738.15, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CIV§ionNum=1738.15..