Cal. Educ. Code § 16329

Payment shall be made in accordance with the terms of an apportionment, either directly or by way of reimbursement, to a school district for expenditures, or commitments therefor, which have been made by the district subsequent to the effective date of this article for any items approved by the board in such apportionment. However, where expenditures were made for, or work was commenced with respect to, any item so approved, prior to the time the application of the district containing the item was received by the board, payment or reimbursement for the item, either with state funds or with district funds which the district is required to contribute by the apportionment, shall be made only upon authorization of the board by special resolution citing this section.