California Code, Welfare and Institutions Code - WIC § 11483

Except as specified in Section 11483.5, whenever any person has, by means of false statement or representation or by impersonation or other fraudulent device, obtained aid for a child not in fact entitled thereto, the person obtaining such aid shall be subject to prosecution under the provisions of Chapter 9 (commencing with Section 10980) of Part 2.

When the allegation is limited to failure to report not more than two thousand dollars ($2,000) of income or resources, or the failure to report the presence of an additional person or persons in the household, all actions necessary to secure restitution shall be brought against persons in violation of Section 10980.  The action for restitution may be satisfied by sending a registered letter requesting restitution to the last address at which the person was receiving public assistance.