(1) All appropriations for a budgeted fund in the regular budget or for a budget amendment for a given school fiscal year lapse on the last day of the school fiscal year, except the appropriations for:
(a) uncompleted improvements in progress of construction; and
(b) an obligation for the purchase of personal property ordered but not paid for during the current fiscal year.
(2) A lawful claim presented to the district for payment under a lapsed appropriation is an obligation of the budget for the next school fiscal year.