A bottle bill fund is established in the state treasury under the control of the department. The fund shall consist of moneys deposited in the fund pursuant to section 455C.12, subsection 7 , and any other moneys appropriated to or deposited in the fund. Moneys in the fund are appropriated to the department for purposes of administering and enforcing this chapter , including reimbursing the attorney general for costs incurred by the attorney general in enforcing this chapter . Notwithstanding section 8.33 , moneys in the fund that remain unencumbered or unobligated at the close of a fiscal year shall not revert but shall remain available for expenditure for the purposes designated. Notwithstanding section 12C.7, subsection 2 , interest or earnings on moneys in the fund shall be credited to the fund. 2022 Acts, ch 1139, §14, 20 Referred to in §455C.12