The board of county commissioners, in levying county taxes, is limited to the amount necessary to meet the appropriations included in the county budget for the ensuing fiscal year, and to provide a reserve fund as limited in this chapter, together with a tax sufficient in amount to pay the interest on the bonded debt of the county and to provide a sinking fund to pay the principal at maturity. The county budget shall show the complete expenditure program of the county for the ensuing fiscal year and the sources of revenue from which it is to be financed.
N.D.C.C. § 57-15-05