Before revision: As the United Nations requires delegates from all member states to be permitted to attend meetings at its headquarters, host countries maintain special visa arrangements such as the C-2 transit visa which enables otherwise inadmissible foreign officials to enter the United States, provided they remain within the vicinity of the UN headquarters.
After revision: As the United Nations requires delegates from all member states to be permitted to attend meetings at its headquarters, host countries maintain special visa arrangements such as the C-2 visa which enables otherwise inadmissible foreign officials to enter the United States, provided they remain within the vicinity of the UN headquarters.