Cal. Gov. Code § 8649
Subject to the approval of the Department of Finance, any state agency may use its personnel, property, equipment, and appropriations for carrying out the purposes of this chapter, and in that connection may loan personnel to the Office of Emergency Services. The Department of Finance shall determine whether reimbursement shall be made to any state agency for expenditures heretofore or hereafter made or incurred for those purposes from any appropriation available for the Office of Emergency Services, except that as to any expenditure made or incurred by any state agency the funds of which are subject to constitutional restriction that would prohibit their use for those purposes, that reimbursement shall be provided and the original expenditure shall be considered a temporary loan to the General Fund.
Ca. Gov. Code § 8649