All surety companies which execute undertakings of bail shall keep any moneys collected from agents licensed pursuant to this code as buildup or reserve funds in segregated trust accounts within the state. These accounts shall be maintained as any of the following:
The accounts described in this section shall not be hypothecated or offered as collateral.
The accounts described in this section shall be used to satisfy the unfulfilled obligations of the undertakings of bail written by the agents from whom the moneys have been collected and to otherwise satisfy the unfulfilled obligations which may be owing to the surety by those agents.
Ca. Ins. Code § 1823