The board shall establish and collect charges for services and rentals for use of facilities furnished, acquired, constructed, or purchased from the proceeds of such securities, sufficient to pay the principal or the interest, or both, on the securities as they become due and payable, together with such additional sums as may be deemed necessary for accumulating reserves and providing for obsolescence and depreciation and to pay the expenses of operating and maintaining such facilities. The board shall establish all other charges, fees, and rates to be derived from the operation of the hospital or any other facility of the hospital district.
W.S. 35-2-435