The proceeds of all bonds, other than refunding bonds, issued by the authority remaining after paying expenses of their issuance shall be deposited in the State Treasury and shall be carried in the State Treasury in a special or separate account. Such funds shall be subject to be drawn upon by the authority with the approval of the president of the authority, but any funds so withdrawn shall be used solely for the purposes for which the bonds were issued as authorized in this article.

The State Treasurer, with the approval of the president of the authority, shall invest funds not needed immediately or within the ensuing 30 days for any purpose for which they are held, which investments shall be made in the manner authorized and provided for in Section state funds in obligations of United States and State of Israel” class=”unlinked-ref” datatype=”S” sessionyear=”2020″ statecd=”AL” title=”36″>36-17-18.

The proceeds from the sale of any refunding bonds issued under this article remaining after paying the expenses of their issuance shall be used only for the purpose of refunding the principal of outstanding bonds of the authority and of paying any premium that may be necessary to be paid in order to redeem or retire the bonds to be refunded.