How to say “Opening the vault requires dual control, so we'll wait for the second authorized employee.” in Japanese
In Japanese
金庫室を開けるには二者管理が必要だから、もう一人の権限者が来るまで待とう。
Kinkoshitsu o akeru ni wa nisha kanri ga hitsuyo da kara, mo hitori no kengensha ga kuru made mato.