California Code, Education Code - EDC § 17352

A manufacturer of factory-built buildings designed or intended for use as school buildings shall submit to the Department of General Services and the State Department of Education for approval, its plans, specifications, methods of construction, and estimates of cost of such buildings.  At the same time the manufacturer shall pay to the Department of General Services a deposit to be applied toward the actual expenses in an amount as determined by the Department of General Services based on the estimated cost of such factory-built buildings, but not exceeding 0.5 percent of such estimated cost.  The minimum deposit in any case shall be fifty dollars ($50).  The manufacturer shall reimburse the Department of General Services and the State Department of Education for the actual expenses incurred by those departments in the review of such plans and specifications.

All fees received by the Department of General Services pursuant to this article are subject to the provisions of Section 17301.