Minn. Stat. § 216B.496
Subd. 1. General.
Subd. 2. Security interests in extraordinary event property.
(b) A security interest in extraordinary event property is created, valid, and binding when:
Subd. 3. Sales of extraordinary event property.
(a) A sale, assignment, or transfer of extraordinary event property is an absolute transfer and true sale of, and not a pledge of or secured transaction relating to, the seller's right, title, and interest in, to, and under the extraordinary event property if the documents governing the transaction expressly state that the transaction is a sale or other absolute transfer. A transfer of an interest in extraordinary event property may be created when:
(b) The characterization of a sale, assignment, or transfer as an absolute transfer and true sale, and the corresponding characterization of the property interest of the assignee, is not affected or impaired by:
(2) the seller retaining: