27 CFR § 31.203 - Possession of used liquor bottles.
The possession of used liquor bottles by any person other than the person who empties the contents thereof is prohibited except in the following circumstances:
(a) The owner or occupant of any premises on which the used bottles have been lawfully emptied may assemble the bottles on such premises—
(1) For delivery to a bottler or importer on specific request of that bottler or importer;
(2) For destruction, either on the premises on which the bottles are emptied or elsewhere, including disposition for purposes that will result in the bottles being rendered unusable as bottles; or
(3) In the case of unusual or distinctive bottles, for disposition or sale as collectors' items or for other purposes not involving the packaging of any product for sale;
(b) Any person may possess, offer for sale, or sell unusual or distinctive bottles for purposes not involving the packaging of any product for sale; and
(c) Any person may assemble used liquor bottles for the purpose of recycling or reclaiming the glass or other approved liquor bottle material.