Minn. Stat. § 336A.16
Subd. 1. Selling not subject to lien.
Except as provided in subdivision 2, and notwithstanding other law or rule to the contrary, a commission merchant or selling agent who sells farm products for others is not subject to a farm products statutory lien even though the farm products statutory lien is perfected and the commission merchant or selling agent knows the lien exists.
Subd. 2. Selling subject to lien.
A commission merchant or selling agent selling farm products for another person is subject to a farm product statutory lien applicable to the purchased farm products if the lienholder has perfected the farm products statutory lien and: