California Code, Unemployment Insurance Code - UIC § 2101

(a) It is a violation of this chapter to willfully make a false statement or representation, to knowingly fail to disclose a material fact, or to use a false name, false social security number, or other false identification to obtain, increase, reduce, or defeat any benefit or payment, whether for the maker or for any other person, under any of the following statutes administered by the department:

(b) Nothing in this section shall be construed to preclude the applicability of Section 470 of the Penal Code to any acts or omissions which violate this section.