Cal. Penal Code § 270.6

If a court of competent jurisdiction has made a temporary or permanent order awarding spousal support that a person must pay, the person has notice of that order, and he or she then leaves the state with the intent to willfully omit, without lawful excuse, to furnish the spousal support, he or she is punishable by imprisonment in a county jail for a period not exceeding one year, a fine not exceeding two thousand dollars ($2,000), or both that imprisonment and fine.