Cal. Pub. Util. Code § 130244
(a) For the purposes of this section, the following terms shall have the following meanings:
(c)
(1) The commission shall have the authority to set, levy, and collect tolls, user fees, or other similar charges payable for use of the transportation facilities, and any other incidental or related fees or charges, in amounts as required for the following expenditures relative to the transportation facilities as defined in paragraph (6) of subdivision (a) and for purposes of paragraph (2):
(2) Excess toll revenues beyond the expenditure needs of paragraph (1) may be expended for the following purposes:
(4) The commission is authorized to issue bonds to finance the costs of the transportation project, including the costs of issuing the bonds and paying credit enhancement and other fees related to the bonds, which bonds are payable from the tolls authorized pursuant to paragraph (1), sales tax revenues, development impact fees, federal grant funds, or any other source of revenues available to the commission that may be used for these purposes. The bonds may be sold pursuant to the terms and conditions set forth in a resolution adopted by the governing board of the commission. Bonds shall be issued pursuant to a resolution adopted by a two-thirds vote of the commission. Any bond issued pursuant to this paragraph shall contain on its face a statement to the following effect:
“Neither the full faith and credit nor the taxing power of the State of California is pledged to the payment of principal or interest of this bond.”