According to a recent open letter from the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) to Federal firearms licensees (FFLs), "It has recently come to the attention of [the agency] that some Federal firearms licensees (FFL) are arranging for the exportation of firearms and ammunition through an in-person disposition to foreign purchasers at the airline ticket counter of local international airports. Industry members are advised that this manner of disposing... (GunPolicy.org)