Rhode Island General Laws Title 47. Weights and Measures § 47-15-15. Permissible discrepancies

(1) If the discrepancy is due to unavoidable leakage, shrinkage, evaporation, waste, or causes beyond the control of the seller acting in good faith.

(2) If the seller purchased the commodity in the container, in good faith, relying upon the indication of the net contents thereof, and sold the commodity in the container without altering the contents thereof or the indication of the contents thereof, and the container had the name of a packer, manufacturer, wholesaler, or jobber thereon at the time the seller purchased it.