22 U.S.C. § 254c: Policy toward certain agents of foreign governments

It is the sense of the Congress that the numbers, status, privileges and immunities, travel, accommodations, and facilities within the United States of official representatives to the United States of any foreign government that engages in intelligence activities within the United States harmful to the national security of the United States should not exceed the respective numbers, status, privileges and immunities, travel accommodations, and facilities within such country of official representatives of the United States to such country. The Secretary of State, in negotiating agreements with foreign governments regarding reciprocal privileges and immunities of United States diplomatic personnel, shall consult with the Director of the Federal Bureau of Investigation and the Director of National Intelligence in achieving the sense of Congress in subsection (a). engages in intelligence activities within the United States harmful to the national security of the United States; and possesses numbers, status, privileges and immunities, travel accommodations, or facilities within the United States of official representatives to the United States that exceed the respective numbers, status, privileges and immunities, travel accommodations, or facilities within such country of official representatives of the United States to such country.