Bansho-wage Goyo started to translate diplomatic documents and was renamed Yogakusho (Institute of Foreign Study), and in 1858, it was reorganized as Bansho shirabesho.
蛮書和解御用は、外交文書の翻訳にも当たるようになり、洋学所、1858年設置の蕃書調所と改編される。