The bonds shall pledge the full faith and credit of the state of Washington and shall contain an unconditional promise to pay the principal and interest when due. The committee may provide that the bonds, or any of them, may be called prior to their due date under such terms and conditions as it may determine. The state finance committee may authorize the use of facsimile signatures in the issuance of the bonds.
[1967 ex.s. c 126 ยง 4.]