It shall be the duty of the board of directors of the district to make adequate provision for the payment of all district bonds in accordance with their terms by levy and collection of assessments or otherwise and upon its failure so to do said levy and collection of assessments shall be made as follows:

(1) If the annual assessment roll has not been delivered to the county treasurer on or before the fifteenth day of January, he or she shall notify the secretary by registered mail that the roll must be delivered to him or her forthwith.

(2) If the roll is not delivered within ten days from the date of mailing the notice, or if the roll has not been equalized and the levy made, the treasurer shall immediately notify the county commissioners of the county in which the office of the directors is situated, and such commissioners shall cause an assessment roll for the district to be prepared and shall equalize it if necessary, and make the levy in the same manner and with like effect as if it had been made and equalized by the directors, and all expenses incident thereto shall be borne by the district.

(3) In case of neglect or refusal of the secretary to perform his or her duties, the district treasurer shall perform them, and shall be accountable therefor, on his or her official bond, as in other cases.