California Code, Education Code - EDC § 16253

(a) Any amounts allocated and disbursed to the Joint Powers Board of Education and entity pursuant to this article shall be a loan by the state to the entity and shall be fully repaid by the entity to the state within 10 years after the date of disbursement to the entity.  Interest shall be paid at a rate determined by the board.  Any loan shall be repaid by the entity from proceeds of a tax under provisions of Section 52317, as amended by Section 1 of Chapter 267 of the Statutes of 1977, for sites, buildings and equipment, by a maximum tax levy of the assessed valuation of the entity not to exceed five cents ($0.05) on each one hundred dollars ($100) of assessed valuation in that entity.

(b) The annual repayment shall be determined by agreement between the Director of Finance and the Superintendent of Public Instruction.  The tax revenue referred to in subdivision (a) above shall be transferred by the County Auditor of Los Angeles County to the General Fund of the state in accordance with established regulations and procedures.