The bonds authorized in RCW 43.99J.020(2) may be issued only after the director of financial management has: (1) Certified that, based on the future income from assessments levied under this chapter and other revenues collected by the commission, an adequate balance will be maintained in the commission's general operating fund to pay the interest or principal and interest payments due under RCW 43.99J.060 for the life of the bonds; and (2) approved the plans for facility.