Wisconsin Statutes Agriculture, Food and Trade Practices (Ch. 91 to 100) § 98.06. Method of sale of commodities

(1) Commodities in liquid form shall be sold by liquid measure and commodities not in liquid form shall be sold by weight but liquid commodities may be sold by weight and commodities not in liquid form may be sold by count or measure if such methods are in general use and give accurate information as to the quantity of commodity sold.

(3) This section shall not apply to commodities sold in compliance with a state or federal law which prescribes another method of sale, or to commodities sold for immediate consumption on the premises where sold.