Cal. Government Code § 53398.2

(a) The revenues available pursuant to Article 3 (commencing with Section 53398.30) may be used directly for work allowed pursuant to Section 53398.3 (including use as matching funds to accomplish this work), may be accumulated for a period not to exceed five years to provide a fund for that work, may be pledged to pay the principal of, and interest on, bonds issued pursuant to Article 4 (commencing with Section 53398.40), or may be pledged to pay the principal of, and interest on, bonds issued pursuant to the Improvement Bond Act of 1915 (Division 10 (commencing with Section 8500) of the Streets and Highways Code) or the Mello-Roos Community Facilities Act of 1982 (Chapter 2.5 (commencing with Section 53311)), the proceeds of which have been or will be used entirely for allowable purposes of the district. The revenue of the district may also be advanced for allowable purposes of the district to an Integrated Financing District established pursuant to Chapter 1.5 (commencing with Section 53175), in which case the district may be party to a reimbursement agreement established pursuant to that chapter. The revenues of the district may also be committed to paying for any completed public facility acquired pursuant to Section 53398.3 over a period of time, including the payment of a rate of interest not to exceed the bond buyer index rate on the day that the agreement to repay is entered into by the city. (b) The legislative body may enter into an agreement with any affected taxing entity providing for the construction of, or assistance in, financing public facilities.