There are however exceptions to this general rule, as for example the 'one-roof warehouse of the Shosoin,' one of the buildings in the Shosoin, was designated a national treasure in 1997, at the same time that World Heritage registration was underway for the 'cultural assets of Nara, Japan's ancient capital.'
例外は正倉院の建物で、「古都奈良の文化財」の世界遺産登録を期に1997年（平成9年）に「正倉院正倉1棟」として国宝に指定されている。