The provisions of sections
301 and
303 of this title notwithstanding, the President may, provided he determines it to be consistent with and in the interest of national security, authorize a foreign government, under such terms and conditions as he may prescribe, to construct and operate at the seat of government of the United States a low-power radio station in the fixed service at or near the site of the embassy or legation of such foreign government for transmission of its messages to points outside the United States, but only