The treasurer shall not later than the third Monday in each month file in the district office with the secretary a verified written report to the board showing all of the following:
(a) The amount of money in the district treasury at the close of the month next preceding.
(b) The amount of receipts for the month next preceding.
(c) The amount and items of expenditures for the month next preceding.
(Amended by Stats. 1977, Ch. 133.)