Proof of financial responsibility may be evidenced by the certificate of the state treasurer that the person named therein has deposited with him twenty-five thousand dollars in cash, or securities such as may legally be purchased by savings banks or for trust funds of a market value of thirty thousand dollars. The state treasurer shall not accept any such deposit and issue a certificate therefor and the Department of Public Safety shall not accept such certificate unless accompanied by evidence that there are no unsatisfied judgments of any character against the depositor in the county where the depositor resides.
SDCL 32-35-87