Ala. Code § 40-23-4.4
In connection with the purchase of material, equipment, or machinery for commercial fishing vessels described in subdivision (13) of subsection (a) of Section 40-23-4, and therefore exempt from taxation under that section, the filing by the purchaser at retail of the material, equipment, or machinery with the seller of a certificate in substantially the following form shall relieve the seller of any obligation to collect tax under Chapter 23 of this title with respect to the sales described in that chapter:
Exemption certification respecting material, equipment, or machinery which, at any time, enters into and becomes a component part of commercial fishing vessels of over five tons load displacement as registered with the U.S. Coast Guard and licensed by the State of Alabama Department of Conservation and Natural Resources.
The undersigned __________________________, (name) (address) hereby certifies that the items of tangible personal property purchased by the undersigned on this date from _________________ (name of retailer) (itemized receipt attached) will be used for the purposes described in subdivision (13) of Section 40-23-4, Code of Alabama 1975, for commercial fishing vessels in a manner that shall render the aforesaid purchase exempt from sales or use taxation under the laws of Alabama. The undersigned is aware that liability to pay any tax ultimately determined to be applicable with respect to the items so purchased will be the exclusive responsibility of the undersigned.
_____________ _________________
(Signature) (Date)
The seller shall furnish a copy of the certificate, with receipt attached, to the purchaser, and retain the original certificate for examination by the Department of Revenue for a period of not less than one year from the date of the certificate.
Ala. Code § 40-23-4.4 (1975)