Ala. Code § 35-8-19

All persons, as defined in Section 35-8-2, including but not limited to insurance companies, banking organizations, mortgage companies and savings and loan associations, may be permitted to invest in bonds, notes, and evidences of indebtedness which are secured by mortgages or deeds of trust upon condominium property or units thereof wherever such persons may invest and subject to all of the rules and limitations applicable to such investment in bonds, notes, and evidences of indebtedness which are secured by like instruments of the same priority upon real property. Where the applicable limitations are dependent upon the type of use of the real property, only the type of use of the particular unit or units which constitute the security for such investment shall be taken into consideration for the purpose of such limitations.