Ala. Code § 40-21-2

Between January 1 and March 1 in each year, every company, corporation, association, and individual embraced within the provisions of Section 40-21-1, or coming otherwise within its scope and intent, shall make out and deliver to the Department of Revenue of Alabama a statement containing the information hereinafter prescribed, which statement shall be duly verified by the affidavit of one of the officers of the company, corporation or association or by the individual in whose behalf it is made.