It is a Class 1 misdemeanor for any manufacturer, factory, branch, distributor, or distributor-branch, or any field representative, officer, agent, or representative of any of them to coerce or attempt to coerce any dealer to enter into any agreement with the manufacturer, factory, branch, distributor, or distributor-branch, or any field representative, officer, agent, or representative of any of them, or to assign, sell, or dispose of any contract or property in any way, or to expend any money or do any other act unfair to such dealer; by threatening to cancel or terminate any franchise, agency, arrangement, or agreement existing between such manufacturer, factory, branch, distributor, distributor-branch, or any field representative, officer, agent, or representative of any of them and the dealer or by any other unfair means or by duress of any kind.
SDCL 37-5-2