On August 30, 2019, the Department of State published in the Federal Register a final rule [Public Notice: 10779] in response to public comments, revising Category XI on the US Munitions List (USML).to remove items that do not warrant continued inclusion, and, pursuant to its regulations and in the interest of the security of the United States, temporarily modifies paragraph (b) in Category XI of the USML.

The control for certain air surveillance radar in paragraph (a)(3)(ix) of USML Category XI is reserved and a note is added to Category XI that removes from the USML those transmit/receive modules and transmit/receive monolithic microwave integrated circuits (MMICs) fabricated exclusively with homojunction complementary metal–oxide–semiconductor (CMOS) silicon-based circuits on silicon substrates, as well as radars and radar antennas that are specially designed to use only such modules or MMICs. These radars and radar components will become subject to the Export Administration Regulations upon the effective date of this revision as a matter of law, pursuant to 15 C.F.R. 734.3(a). The rule is effective August 30, 2019, except for amendatory instruction 3 which is effective August 30, 2021.