RCW 86.09.544: District funds—General bond fund—Composition—Use.

Moneys in the general bond fund shall be used exclusively for the payment of outstanding general obligation bonds of the district with interest thereon according to their terms. It shall be the duty of the district board to make ample provision for the requirements of this fund by the levy of assessments and/or by the use of other district revenues, authorized by law to be used for this purpose.