Ala. Code § 11-81-25: Sinking Fund Bonds - Powers of Trustee of Sinking Fund.

Any trustee of a sinking fund established under Sections 11-81-22 through 11-81-24 shall have power to invest in such manner and subject to such restrictions as may be prescribed in the ordinance or resolution establishing such sinking fund any moneys which it may receive as such trustee, pending the application of such moneys to the payment of such unmatured bonds, in any bonds of such city which are general obligations or in any direct general obligations of the United States.

Any such trustee shall have power and authority to proceed by civil action, mandamus or other appropriate proceeding to enforce and compel payment of any bonds issued to and placed with the sinking fund of which it shall be trustee.