an official proclamation, edict, or ordinance issued by an authority.
市は災害対策のために非常事態を布告した。
The city proclaimed a state of emergency for disaster response.
政府は新法を布告し、来月から施行される。
The government issued a proclamation of the new law, which takes effect next month.
布告は官報で正式に発表された。
The proclamation was officially announced in the government gazette.