Cal. Harb. & Nav. Code § 65.6

Notwithstanding the provisions of Section 65.5, appropriations may be made by the state, from time to time by law, to pay for the costs of sharing in such participation in beach erosion control projects following state authorization of a specific project, but such participation shall apply only to costs incurred for the project as finally authorized by the Congress and the state, and appropriations for such costs shall not be expended by the state until after the appropriation of construction funds by the Congress.