Ala. Code § 27-41-16

An insurer may invest in the preferred or guaranteed stocks or shares of any solvent corporation engaged in any lawful business and existing under the laws of the United States or any state thereof if the prior obligations of the issuing company or the guarantor, if any, would be eligible for investment under the provisions of Section 27-41-15 and if the company has continuously paid the dividends provided for by outstanding preferred stock, if any, during the five years preceding the acquisition of the investment.