Cal. Welf. & Inst. Code § 1009.1

When, pursuant to Section 1009, money is received by the Department of the Youth Authority from private sources to defray the cost of transportation for the return of a nonresident committed to it and the nonresident is not returned or the money received exceeds the cost of such transportation, the department shall refund to such private sources such money or such excess money, as the case may be.