Ala. Code § 45-49-242.04: Qualified Parading Mardi Gras Societies.

(a) All property owned by qualified parading Mardi Gras societies and used exclusively for the purpose of storing Mardi Gras parade floats, equipment, related accessories, and records, or used exclusively for other Mardi Gras related purposes, is hereby exempted from all county, local, and municipal ad valorem taxation. This exemption shall apply to all taxes due and payable for the tax year beginning October 1, 1985, and each tax year subsequent thereto

(b) For the purposes of this section the following definitions shall apply:

(1) MARDI GRAS PARADE. Any parade conducted by a member of Mobile Mardi Gras parading organizations during the period beginning on the thirtieth day before Mardi Gras Day and ending on Mardi Gras Day.

(2) QUALIFIED PARADING MARDI GRAS SOCIETY. Any organization which is a member of Mobile Mardi Gras parading organizations and which has conducted a Mardi Gras parade during the year for which an exemption is claimed.