Wash. Rev. Code § 36.82.080
The payment of interest or principal on general obligation county road bonds, or retirement of registered warrants both as to principal and interest when such warrants have been issued for a proper county road purpose, are declared to be a proper county road purpose.
[ 1979 ex.s. c 30 s 4; 1963 c 4 s 36.82.080. Prior: 1943 c 82 s 5, part; 1937 c 187 s 53, part; Rem. Supp. 1943 s 6450-53, part.]