California Code, Welfare and Institutions Code - WIC § 11353

Any parent whose absence is the basis upon which an application is filed for aid in behalf of a child shall complete and return to the county within 15 days after service pursuant to Section 11476 a written statement of his current monthly income, his total income over the past 12 months, a description of all real and personal property owned by him, together with an estimate of its value, the number of dependents for whom he is providing support, the amount he is contributing regularly, toward the support of all children for whom application for aid is made under this chapter, his social security number, his current monthly living expenses and such other information as is pertinent to determining his ability to support his children.

A violation of this section constitutes a misdemeanor.