SDCL § 4-8-1: Expenditures to be authorized by appropriations based on budget.

All expenditures of the state and of its budget units of moneys drawn from the state treasury shall be made under the authority of appropriation acts, which shall be based upon a budget as provided by law, and no money shall be drawn from the treasury, except by appropriation made by law pursuant to S.D. Const., Art. XII, § 2.