"Mixed drink", distilled spirits, cordials or liqueurs, with mixers, that are combined on a licensed premises and sold in a sealed container; provided, that a mixed drink may contain wines and malt beverages in addition to distilled spirits, cordials or liqueurs; and provided further, that the volume of distilled spirits, cordials, liqueurs, wines, malt beverages and mixers contained in said mixed drink shall be of the same proportion and same price as if served for on-premises consumption.
"Mixer", a non-alcoholic ingredient in a mixed drink.
"Sealed container", a packaged container with a secure lid or cap designed to prevent consumption without removal of the lid or cap; provided, however, that if the packaged container has a lid with sipping holes or an opening for straws, said container shall be covered or affixed with an additional seal; provided further, that said lid, cap or seal shall be affixed before sale in such a way to prevent reopening without it being obvious that said lid, cap or seal was removed or broken, which may include tape or a sticking adhesive.
Mass. Gen. Laws ch. 138, § 12 1/2