by the Secretary) ensure that, before any product intended for sale or distribution within the United States is removed, a unique identification marking is affixed to or forms part of each package of tobacco product or processed tobacco manufactured or imported by such person for sale or distribution. (B) Markings on individual packages Any markings required to be placed on a tobacco product or processed tobacco package by this subsection shall be placed on the innermost sealed container visible from the outside of the individual package. For any tobacco product or processed tobacco package that contains multiple smaller packages of tobacco products or processed tobacco, any markings required to be so placed on tobacco product or processed tobacco packages shall be placed on all the individual tobacco product or processed tobacco packages. (C) Markings on aggregate packing modes To facilitate efficient tracking and tracing of tobacco products or processed tobacco through the distribution system, all manufacturers or importers of tobacco products or processed tobacco shall, in addition to such unique identification marking, also, in accordance with regulations prescribed by the Secretary, ensure that unique identification markings are affixed to or form part of aggregate packing modes (such as cartons, cases, and master cases for cigarettes). The Secretary shall determine the size, location, and methods for such markings. The Secretary shall establish regulations requiring that all persons within the distribution chain, up to but not including the ultimate retailer, utilize the unique identification markings on aggregate packing modes to facilitate the tracking and tracing of tobacco products or processed tobacco through the distribution system. (3) Marking requirements for exports A unique identification marking shall be affixed to or form part of each package of tobacco product or processed tobacco that is exported, or sold for export, that distinguishes it from those products or processed tobacco intended for