Ala. Code § 10A-8A-11.07
The Alabama Department of Revenue shall promulgate rules and regulations similar to those provided under Section 40-18-176, relating to Alabama S corporations, to permit the filing of annual composite income tax returns for one or more nonresident partners, who are individuals, of a partnership, limited liability partnership, or foreign limited liability partnership with an effective statement of foreign limited liability partnership on file with the Secretary of State, as well as one or more nonresident members, who are individuals, of a limited liability company or foreign limited liability company and one or more nonresident beneficiaries, who are individuals, of a business trust, organized under or recognized by the laws of this state.
Ala. Code § 10A-8A-11.07 (1975)