California Code, Government Code - GOV § 9355.8

For purposes of Section 9355.7, “public office” includes, but is not limited to, positions within the federal government that require appointment by the President of the United States or his or her delegate or a member of the President's Cabinet or his or her delegate, if the person so appointed is thereafter again elected as a Member of the Senate or Assembly.

This section shall have retroactive application, as well as prospective application, but this section shall not deprive a member of credit for any service credited to him or her on the effective date of this section.