A certificate of free sale is sometimes required for agricultural products from Mississippi to enter importing states and foreign countries. Persons exporting products from Mississippi are often asked by importing states and foreign countries to supply a certificate for products registered with or regulated by the Mississippi Department of Agriculture and Commerce. The purpose of Sections 69-1-371 through 69-1-375 is to authorize the Mississippi Department of Agriculture and Commerce to issue a certificate of free sale for agricultural products and those products registered with or regulated by the department for the purpose of exporting these products from Mississippi.