ministry proper; head office; home office
Refers to the central or main office of a government ministry, as opposed to local branches or affiliated agencies.
本省から通達が来た。
A directive came from the ministry proper.
彼は地方局ではなく本省で働いている。
He works at the head office, not at a local branch.
this ministry; this department
Used within a government ministry to refer to itself, similar to 'this ministry' or 'our department' in English.
本省では、この問題を重視しています。
This ministry takes this issue seriously.
本省の見解をお伝えします。
I will convey the view of this department.
It was decided that the ministry itself would handle that issue.
Please contact the head office for details.
A notice from the head office arrived at each regional branch.