Home › CFR › Title 31 › Part 1231 CFR Part 12 — Restriction of Sale and Distribution of Tobacco Products§ 12.1— Purpose.§ 12.2— Definitions.§ 12.3— Sale of tobacco products in vending machines prohibited.§ 12.4— Distribution of free samples of tobacco products prohibited.§ 12.5— Prohibitions not applicable in areas designated by the Secretary of the Treasury.