Public institutions such as government and major media often call the emperor 'Tenno Heika' (his Imperial Majesty) with Heika which is the title of honor prescribed by the Imperial House Law.
政府などの公的機関および主要メディアなどでは皇室典範に定められる敬称の陛下を入れて「天皇陛下」と呼称することが多い。