Addiction 99(1):29-38, 2004
45 Additional revenue can be used to fund tobacco-control programs or broader health efforts

(i) If the label, labeling, or advertising of a food makes any direct or indirect representations with respect to the primary recognizable flavor(s), by word, vignette, e.g., depiction of a fruit, or other means, or if for any other reason the manufacturer or distributor of a food wishes to designate the type of flavor in the food other than through the statement of ingredients, such flavor shall be considered the characterizing flavor and shall be declared in the following way: (1) If the food contains no artificial flavor which simulates, resembles or reinforces the characterizing flavor, the name of the food on the principal display panel or panels of the label shall be accompanied by the common or usual name of the characterizing flavor, e.g., vanilla, in letters not less than one-half the height of the letters used in the name of the food, except that: (i) If the food is one that is commonly expected to contain a characterizing food ingredient, e.g., strawberries in strawberry shortcake, and the food contains natural flavor derived from such ingredient and an amount of characterizing ingredient insufficient to independently characterize the food, or the food contains no such ingredient, the name of the characterizing flavor may be immediately preceded by the word natural and shall be immediately followed by the word flavored in letters not less than one-half the height of the letters in the name of the characterizing flavor, e.g., natural strawberry flavored shortcake, or strawberry flavored shortcake

Land, who is the NCI lead for the initiative
In Argentina, another found that about 75% of teen smokers in Buenos Aires reported using flavored cigarettes