California Code, Public Resources Code - PRC § 4650

(a) With the approval of the Director of General Services, the director may make sales of forest products from state forests that do not exceed ten thousand dollars ($10,000) in value without advertising for bids.  With the approval of the Director of General Services, the director may also make sales that do not exceed 100,000 board feet of dead, dying, downed, diseased, or defective trees, trees harvested in connection therewith for thinning purposes or other forest improvement work, or any combination thereof, without advertising for bids.

(b) Any sale of forest products in excess of ten thousand dollars ($10,000) in value, or in excess of 100,000 board feet with respect to dead, dying, downed, diseased, or defective trees, trees harvested in connection therewith for thinning purposes or other forest improvement work, or any combination thereof, shall be upon competitive bids.  Advertising for bids shall be the same as is generally in use for the sale of state property.