"Label" means a display of written, printed, or graphic matter upon the immediate container ("immediate container" does not include package liners) of a substance or, in the case of an article which is unpackaged or is not packaged in an immediate container intended or suitable for delivery to the ultimate consumer, a display of such matter directly upon the article involved or upon a tag or other suitable material affixed thereto.
§ 50-30-211, MCA