Sec. 14. 1. The marihuana regulation fund is created in the state treasury. The department of treasury shall deposit all money collected under section 13 of this act and the department shall deposit all fees collected in the fund. The state treasurer shall direct the investment of the fund and shall credit the fund interest and earnings from fund investments. The department shall administer the fund for auditing purposes. Money in the fund shall not lapse to the general fund. 2. Funds for the initial activities of the department to implement this act shall be appropriated from the general fund. The department shall repay any amount appropriated under this subsection from proceeds in the fund. 3. The department shall expend money in the fund first for the implementation, administration, and enforcement of this act, and second, until 2022 or for at least two years, to provide $20 million annually to one or more clinical trials that are approved by the United States food and drug administration and sponsored by a non-profit organization or researcher within an academic institution researching the efficacy of marihuana in treating the medical conditions of United States armed services veterans and preventing veteran suicide. Upon appropriation, unexpended balances must be allocated as follows: (a) 15% to municipalities in which a marihuana retail store or a marihuana microbusiness is located, allocated in proportion to the number of marihuana retail stores and marihuana microbusinesses within the municipality; (b) 15% to counties in which a marihuana retail store or a marihuana microbusiness is located, allocated in proportion to the number of marihuana retail stores and marihuana microbusinesses within the county; (c) 35% to the school aid fund to be used for K-12 education; and (d) 35% to the Michigan transportation fund to be used for the repair and maintenance of roads and bridges.