Oregon constitution
article XI-o: pension liabilities
Section 1

(2) Indebtedness incurred under this section is a general obligation of the State of Oregon and must contain a direct promise on behalf of the State of Oregon to pay the principal, premium, if any, and interest on that indebtedness. The State of Oregon shall pledge its full faith and credit and taxing power to pay that indebtedness; however, the ad valorem taxing power of the State of Oregon may not be pledged to pay that indebtedness. The amount of indebtedness authorized by this section and outstanding at any time may not exceed one percent of the real market value of all property in the state.