(February 15, 2017, 2:30 PM EST) -- NEW YORK — A New York federal judge on Feb. 14 dismissed a class suit accusing a retailer of charging excessive taxes on purchases where coupons are used, holding that the New York Tax Commission has the exclusive responsibility for examining those types of claims (Susan Kupferstein, et al. v. The TJX Companies, Inc., No. 15-5881, E.D. N.Y., 2017 U.S. Dist. LEXIS 20720)....