RCW 27.12.223 Bonds — Sale — Security for deposit.
Bonds authorized by
RCW 27.12.222 shall be issued and sold in accordance with chapter
RCW 39.46. All such bonds shall be legal securities for any bank or trust company for deposit with the state treasurer or any county or city treasurer as security for deposits in lieu of a surety bond under any law relating to deposits of public moneys.
http://apps.leg.wa.gov/rcw/default.aspx?cite=27.12.223
