Ala. Code § 5-12A-15
A common trust fund, whether established, maintained, and administered pursuant to the requirements of this chapter or established, maintained, administered, and invested in without regard to the requirements and limitations of this chapter, as provided in Section 5-12A-13, shall not be subject to taxation under any income tax law of the State of Alabama. The computation of gain, loss, basis, taxable income, taxable loss, and other income tax treatment of a common trust fund and its participants, shall be determined in accordance with 26 U.S.C. §584, as amended from time to time. Every trust institution maintaining a common trust fund shall make a return under oath for each fiscal year stating specifically with respect to the fund the items of gross income and the deductions allowed by law, and shall include in the return the names and addresses of the participants entitled to share in the net income of the fund and the amount of the proportionate share of each participant.
Ala. Code § 5-12A-15 (1975)