The board may by resolution designate a bank as depositary of any or all of its funds. No question of interest shall affect such appointment. If the depositary is not designated for all of its funds, it shall designate what funds are to be deposited with the depositary. The county treasurer shall be the depositary for all funds not so designated.
If the board appoints a depositary, it shall appoint a person who shall be known as finance officer, who shall serve at its pleasure. It shall fix the amount of his compensation. It shall fix the amount of and approve his bond. He may, but need not be a member of the board, or his office may be consolidated with that of the secretary.
Bond principal and interest and salaries shall be paid when due. All other claims and demands shall be approved in writing or in open meeting by a majority of the members of the board.
The finance officer shall install and maintain a system of auditing and accounting that shall completely and at all times show the financial condition of the district.
The finance officer shall make annual or earlier written reports to the board, as it shall determine, as to the receipts and disbursements and balances in the several accounts under his control. The report shall be signed by him and filed with the secretary.