(d) Bonds authorized under this section constitute a general obligation of the state. While any of the bonds or interest on the bonds is outstanding and unpaid, there is appropriated out of the first money coming into the treasury in each fiscal year, not otherwise appropriated by this constitution, the amount sufficient to pay the principal of and interest on the bonds that mature or become due during the fiscal year, less any amount in any interest and sinking account at the end of the preceding fiscal year that is pledged to payment of the bonds or interest.
Structure Texas constitution