Cal. Harb. & Nav. Code § 6084.2
(a) A district may issue limited obligation notes after the adoption, by a four-fifths vote of all the commissioners of the board, of a resolution reciting each of the following:
(b) The resolution may also provide for one or more of the following matters:
(e) The agreement between the district and the purchasers of the limited obligation notes shall state that the notes are limited obligation notes payable solely from specified revenue of the district. The pledged revenue shall be sufficient to pay the following amounts annually, as they become due and payable: