noun
administering body; competent authority
Refers to the government agency, ministry, or organization responsible for administering a particular area or program.
この事業の主管機関は厚生労働省です。
The administering body for this project is the Ministry of Health, Labour and Welfare.
申請書は主管機関に提出してください。
Please submit the application to the competent authority.
管轄 refers to jurisdiction or the scope of authority, while 主管機関 is the specific organization that exercises that authority.
Compound of 主管 (administration, supervision) and 機関 (organization, body).