Ala. Code § 40-21-5
Whenever any person or association of persons, not being a corporation and having no capital stock, shall engage in this state in any character of business embraced within the provisions of this chapter, the capital and property, or the certificate or other evidence of the rights or interest of the person engaged in such business shall be deemed and treated as the capital stock of such persons or association of persons for the purpose of taxation and for all purposes under this title and shall be estimated and valued, and the intangible property values thereof, when ascertained, shall be apportioned and distributed and assessed and taxed under the provisions hereof in like manner as if such person or association of persons were a corporation, and each such person or association of persons shall annually, within the time and the manner provided in this chapter, make the statements and reports and give the information required by this chapter of the aforesaid corporations, companies and associations and shall be subject to all the penalties and to all the terms and provisions of this chapter.
Ala. Code § 40-21-5 (1975)