Cal. Gov. Code § 14553.8

Before notes are issued under this chapter, the commission, in cooperation with the department and the Department of Finance, shall consider and determine the appropriateness of the mechanism authorized by this chapter in comparison to other funding mechanisms, including, but not limited to, pay-as-you-go, federal advance construction, federal incremental advance construction, or other funding methods authorized under federal law to achieve maximum efficiency from the state’s federal allocation of transportation funds.