Cal. Gov't Code § 14105
(g) No person shall willfully conceal, alter, misrepresent, or distort, or attempt to conceal, alter, misrepresent, or distort the findings of any laboratory or subcontractor that provides quality control inspection and testing services to a contractor under this section.
(2) Whenever any person, firm, corporation, partnership, or association performing quality control inspection and testing services on a public work contract, pursuant to Section 1101 of the Public Contract Code, and is under the jurisdiction of the department, is found by the department to have violated this section, the department shall order for a period of not less than one year and not more than three years that the person or entity refrain from doing any of the following within the department’s jurisdiction: