A rural county library district, intercounty rural library district, or island library district may contract indebtedness and issue general obligation bonds not to exceed an amount, together with any outstanding nonvoter approved general obligation indebtedness, equal to one-tenth of one percent of the value of the taxable property within the district, as the term "value of the taxable property" is defined in RCW
39.36.015. The maximum term of nonvoter approved general obligation bonds shall not exceed twenty years. A rural county library district, island library district, or intercounty rural library district may additionally contract indebtedness and issue general obligation bonds for capital purposes only, together with any outstanding general indebtedness, not to exceed an amount equal to one-half of one percent of the value of the taxable property within the district, as the term "value of the taxable property" is defined in RCW
39.36.015 whenever a proposition authorizing the issuance of such bonds has been approved by the voters of the district pursuant to RCW
39.36.050, by three-fifths of the persons voting on the proposition at which election the number of persons voting on the proposition shall constitute not less than forty percent of the total number of votes cast in such taxing district at the last preceding general election. If the voters shall so authorize at an election held pursuant to RCW
39.36.050, the district may levy annual taxes in excess of normal legal limitations to pay the principal and interest upon such bonds as they shall become due. The excess levies mentioned in this section or in RCW
84.52.052 or
84.52.056 may be made notwithstanding anything contained in RCW
27.12.050 or
27.12.150 or any other statute pertaining to such library districts.