Except as otherwise provided in sections 42-115g to 42-115q, inclusive, any commodity in package form introduced or delivered for introduction into or received in intrastate commerce, kept for the purpose of sale, or offered or exposed for sale in intrastate commerce shall bear on the outside of the package such definite, plain and conspicuous declarations of (1) the identity of the commodity in the package unless the same can easily be identified through the wrapper or containers, (2) the net quantity of the contents in terms of weight, measure or count and (3), in the case of any package kept, offered or exposed for sale, or sold any place other than on the premises where packed, the name or a registered trademark of the manufacturer, packer, or distributor as may be prescribed by regulation by the commissioner; provided, in connection with the declaration required under subdivision (2) of this section, neither the qualifying term “when packed” or any words of similar import, nor such terms qualifying a unit of weight, measure or count as “jumbo”, “giant”, “full” and the like, that tend to exaggerate the amount of commodity in a package, shall be used; and provided under said subdivision (2) the commissioner shall, by regulation, establish (A) reasonable variations to be allowed, which may include variations below the declared weight or measure caused by ordinary and customary exposure, only after the commodity is introduced into intrastate commerce, to conditions that normally occur in good distribution practice and that unavoidably result in decreased weight or measure, (B) exemptions as to small packages, and (C) exemptions as to commodities put up in variable weights or sizes for sale intact and either customarily not sold as individual units or customarily weighed or measured at time of sale to the consumer.