Moneys shall be invested pursuant to law, including, but not limited to, §9-4-612, for the benefit of the fund. For purposes of expenditures from the fund pursuant to §70-1-306, the wildlife management endowment fund shall be included as a part of the wildlife resources fund subject to the restrictions and requirements of the wildlife management endowment fund as set out in this part. Neither the moneys of the fund, nor the interest accruing on investments and deposits of the fund shall be used for any other purposes than those set out in this part, nor shall any part of the fund be diverted to the general fund or to any other public fund.