N.Y. Gen. Bus. Law § 396-E
Any person, firm, corporation or association who makes or sells or offers to sell or dispose of, or has in his or its possession, with intent to sell or dispose of, any collars or cuffs marked, stamped or branded with the words, "linen," "pure linen" or "all linen" or incased or inclosed in any box, package, cover or wrapper or other thing in, by or with which the said article is packed, inclosed or otherwise prepared for sale or disposition, having thereupon any engraving or printed label, stamp, imprint, mark, or trade-mark, indicating or denoting by such marking, stamping, branding, engraving or printing, that such article is "linen," "pure linen," or "all linen," unless the material of which the said collars or cuffs are manufactured contains at least one fold or ply which has a flax thread in both its warp and filling, is guilty of a misdemeanor.
N.Y. Gen. Bus. Law § 396-E