R.I. Gen. Laws § 3-5-12: Licensees to keep or sell legal beverages only — Minimum size of containers.

Only beverages which have been legally manufactured and on which all taxes and charges, federal and state, have been paid, shall be kept for sale or sold by a licensee. Holders of Class B, C, D, I and J licenses shall not have on the licensed premises distilled or vinous beverages in the containers, nor bottles, flasks or containers of less capacity than twenty-three ounces (23 oz.). Holders of Class B wholesaler’s licenses, Class G retailer’s licenses, Class B-H retailer’s licenses and Class A retailer’s licenses are authorized to keep for sale and to sell distilled beverages in containers of a minimum capacity of fifty milliliters (50 mls.) or one and seven tenths ounces (1.7 oz.).