Cal. Educ. Code § 94147
(a) The authority may fix, revise, charge, and collect rates, rents, fees, and charges for the use of and for the services furnished or to be furnished by each project, and may contract with any person, partnership, association or corporation, or other body, public or private, in respect thereof. These rates, rents, fees, and charges shall be fixed and adjusted in respect of the aggregate of rents, rates, fees, and charges from the project so as to provide funds sufficient with other revenues or moneys, if any, to accomplish all of the following:
(b)
(5) The authority, in the resolution or trust agreement, may provide that the sinking or other similar fund shall be either of the following: