By Kevin J. Wolf, Thomas J. McCarthy, Robert K. Huffman, Christopher A. Treanor and Chris Chamberlain
Section 889 of the 2019 National Defense Authorization Act (NDAA) generally prohibits federal agencies, federal contractors, and grant or loan recipients from procuring or, potentially, using certain "covered telecommunications equipment or services" - specifically those produced by Huawei Technologies Company and ZTE Corporation, and with respect to certain public safety or surveillance applications, Hytera Communications Corporation, Dahua Technology Company, and Hangzhou Hikvision Digital Technology Company - as a "substantial or essential component of any system, or as critical technology as part of any system."