There was an imperial letter for Nairan for the Regent and the Chancellor, sometimes a position like Sadaijin (the Minister of the Left), Udaijin (the Minister of the Right), Naidaijin (the Minister of the Interior) or Nagon (senior official of the Imperial Japanese Council of State) would received the same imperial letter, Nairan.
摂政・関白は内覧の宣旨が下されるが、摂政・関白ではない左大臣・右大臣・内大臣、または納言級にも内覧の宣旨が下される場合もある。