Section 18.05 - Limitations on aggregate public debt(1) The aggregate public debt contracted in any calendar year for purposes specified by the legislature pursuant to s. 18.04(2) shall not exceed an amount equal to the lesser of: (a) Three-fourths of one percent of the aggregate value of all taxable property in the state; or(b) Five percent of the aggregate value of all taxable property in the state less the sum of: 1. The aggregate public debt contracted pursuant to this subchapter which was outstanding as of January 1 of such calendar year after subtracting therefrom the amount on hand in the bond security and redemption fund and the amounts maintained pursuant to s. 18.09(3) on January 1 of such calendar year which is applicable exclusively to repayment of such outstanding public debt; and2. The aggregate net indebtedness outstanding as of January 1 of such calendar year of the Wisconsin State Agencies Building Corporation, Wisconsin State Colleges Building Corporation, Wisconsin State Public Building Corporation and Wisconsin University Building Corporation.(2) The last determination made by the department of revenue of the full market value of all general property of the state liable to taxes pursuant to s. 70.575 shall be the aggregate value of all taxable property in the state. The department of revenue shall certify such value when requested for use in connection with the contracting of state debt.(3) The legislative audit bureau shall annually determine the amounts under sub. (1) (b) 1. and 2. and shall certify such amounts when requested for use in connection with the contracting of state debt. It shall use in making such determination the fair market value of all property on hand in the sinking funds of the bond security and redemption fund. It shall take into account any anticipatory contracts under s. 18.10(1).1977 c. 29 s. 1652; 2009 a. 177.