67-1-307. Aeronautical loans. Money deposited in the account created in 67-1-306 may, with the approval of the board, be used only to provide loans to local governments and state agencies for aeronautical purposes, including airport improvement. The board shall establish procedures, including the interest rate charged, for providing loans. Proceeds of all repayments of loans, including interest, made under this section must be deposited in the account created in 67-1-306.