Can another importer rely on someone else's classification ruling?

High End Store (High End), a U.S. retailer, submitted an administrative ruling request for classification of a woman’s hooded blouse prior to the importation of such blouses. New York Ruling Letter (NY) N123456 was issued to High End, which classified the hooded blouse under subheading 6106.20.2010 of the Harmonized Tariff Schedule of the United States (HTSUS). As part of the decision in NY N123456, the following instruction was included: “[a] copy of the ruling or the control number indicated above should be provided with the entry documents filed at the time this merchandise is imported.” The manufacturer who produces hooded blouses for High End also produces identical hooded blouses for Discount Retailer, another U.S. retailer. Both High End and Discount Retailer imported the blouses after the issuance of NY N123456. Which of the following statements is TRUE ?