When a vector control district has been created and a board of commissioners has been organized, the board shall estimate the expenses of the district from the date of its     establishment until the end of the ensuing fiscal year and before July first in each year and thereafter shall estimate district expenses for the fiscal year ensuing. Estimates of district expenses may include all outlays necessary to carry out the powers of the board herein provided for. Upon adoption of a budget, the board of commissioners shall send a copy of such budget to the county auditor of each county in the district. If a district is situated in more than one county, the estimate must be apportioned to the counties affected. Such county auditor shall transmit the same to the board of commissioners of the auditor’s county. In the year for which the levy is sought, a vector control district seeking approval of a property tax levy under this chapter must file with the county auditor of each county within the vector control district, at a time and in a format prescribed by the county auditors, a financial report for the preceding calendar year showing the ending balances of each fund held by the vector control district during that year. The board of county commissioners of each county in which the district is situated may by resolution levy, authorize, and direct their county auditor to extend and spread upon the tax roll of the county a tax not exceeding the limitation in section 57-15-26.2. Funds produced each year by such tax levy must be available until expended and if such tax levy in any year will not produce sufficient revenue to cover district expenses a fund sufficient to pay the same may be accumulated.