I. Maple products which are labeled as being pure maple products and which are produced, packaged, handled or sold in this state shall not in any way be adulterated with cane sugar, corn sugar, or any other foreign sweetener.
II. Maple syrup which is produced, packaged, handled or sold in this state shall not be bleached or lightened in color by artificial means except by simple filtration through cloth or paper to remove suspended solids. The commissioner may by rule approve other methods of filtration.
III. Maple syrup and maple products which are labeled as being pure maple products and which are produced, packaged, handled, or sold in this state shall not in any way be adulterated by the addition or introduction of any substance that would change the essential characteristics of the maple product or render the maple products unsafe.