(1) The board of county commissioners of any county may expend annually such amounts as necessary for the support of county or local historical societies which are incorporated as Idaho nonprofit corporations and which operate primarily within the county, or for the support of museums or of historical restoration projects within the county undertaken or operated by Idaho nonprofit organizations, or for the marking and development of historic sites by Idaho nonprofit corporations. For the purposes of this section, the board of county commissioners of any county is authorized and empowered to levy not more than twelve one-thousandths percent (.012%) on each dollar of market value for assessment purposes of taxable property within the county.
(2)  Before money is granted under this section, the directors of such nonprofit corporations shall present to the county commissioners a proposed budget which shall indicate anticipated revenues and expenditures of the nonprofit corporation (including the sums requested from the county), and shall indicate the purposes of the proposed expenditures. The board of county commissioners may require an audit of the accounts and financial records of any such nonprofit corporations receiving county funds.