If the accused is acquitted the property seized shall be returned. If the accused is convicted and pays the fine, costs and other penalties, the property shall be returned, but if the accused fails to pay the fine and costs, the property shall be sold at public auction in such manner as the director may prescribe. The proceeds of the sale shall be applied toward the payment of the fine and costs. The remainder, if any, shall be paid to the owner of the seized property.
Whenever a person is convicted of a violation of this chapter a second time, the property seized at the time of arrest shall in any case be declared forfeited to the state and shall be sold in the manner provided by this section.
Property seized, the use of which is forbidden by this chapter, or which is unfit or unsafe for further use, shall be declared forfeited to the state and shall be disposed of by the director.