The board of county commissioners may authorize the county health department to administer and direct arthropod control in the county provided by this chapter, upon the following conditions:(1) The county health department shall keep the books and make all reports required by this chapter.
(2) All purchases, whether by bid or otherwise, shall be made in accordance with the procedure followed by the board of county commissioners in making other purchases.
(3) The county health department shall submit to the board of county commissioners, with supporting vouchers and invoices, monthly itemized statements of expenses incurred in carrying out the control program in the county.