Due to federal restrictions contained in the current National Defense Authorization Act, citizens of the People's Republic of China-including the special administrative regions of Hong Kong and Macau-as well as citizens of the Islamic Republic of Iran, the Democratic People's Republic of Korea (North Korea), and the Russian Federation, who are not Lawful Permanent Residents ("green card" holders) are prohibited from accessing facilities that support the mission, functions, and operations of national security laboratories and nuclear weapons production facilities, which includes Los Alamos National Laboratory. Specific duties may include, but are not necessarily limited to: technical assistance in fabrication, assembly, inspection, testing, analytical instrumentation, handling drums and/or other containers of hazardous materials or hazardous wastes, operating forklifts and/or other mechanical loading/handling equipment, and performing nuclear material move transactions.