(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.
(2)
(a) Berries and small fruits may be sold by measure only if in containers having capacities of one-half dry pint, one dry pint or one dry quart.
(b) If a commodity is packaged in an aerosol container, it shall be sold by weight including the propellant.
(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.