U.S. Environmental Protection Agency, Region 9 (EPA) is informing the Bureau of Customs and Border Protection of the U.S. Department of Homeland Security (CBP) that the Na+ NAA Technical Plant Growth Regulator (Formerly EPA Reg. No. 73049- 488) in the import shipment described below should be Denied Entry-Refused Delivery into the United States pursuant to the authority of Section 17(c) of the Federal Insecticide, Fungicide, andRodenticide Act (FIFRA), 7 U.S.C. 136o(c), and the implementing regulations at 19 C.F.R.12.114. An electronic alternative to the Notice of Arrival was filed in the Automated Commercial Environment (ACE) in accordance with 19 C.F.R. 12.112.