Minn. Stat. § 336A.15
Subd. 1. Taking free of lien.
Except as provided in subdivision 2, and notwithstanding other law or rule to the contrary, a buyer in the ordinary course of business who buys farm products from a seller engaged in farming operations takes free of a farm products statutory lien applicable to the purchased farm products even though the farm products statutory lien is perfected and the buyer knows the lien exists.
Subd. 2. Taking subject to lien.
A buyer in the ordinary course of business of farm products takes subject to a farm products statutory lien applicable to the purchased farm products if the lienholder has perfected the farm products statutory lien and: