Anyone who buys potatoes in wholesale lots directly from a Michigan grower or grower cooperative or who sells or handles those potatoes in wholesale lots for the purpose of processing or resale to other wholesale potato dealers, retailers, restaurants, hotels, institutions, or hospitals.

Exemptions are:

• Growers or grower cooperatives that buy or receive only seed potatoes from another grower or grower cooperative's own planting.
  
  
• Wholesale potato dealers who do not sell or handle potatoes in wholesale lots for the purpose of processing or resale to other wholesale potato dealers, retailers, restaurants, hotels, or institutions and who buys an aggregate amount of less than 30,000 pounds of potatoes during each calendar month of a calendar year are also exempt from the act for the following calendar year.