Government of the State of Minnesota, Constitution of the State of Minnesota (2016)
“ When the full faith and credit of the state has been pledged for the payment of bonds, the state auditor shall levy each year on all taxable property within the state a tax sufficient with the balance then on hand in the fund to pay all principal and interest on bonds issued under this section due and to become due within the ensuing year and to and including July 1 in the second ensuing year. The legislature by law may appropriate funds from any source to the state bond fund. ”
