relevant government ministries and agencies; concerned authorities
Refers to the government bodies involved in or responsible for a particular matter. Often used in news, policy, and administrative contexts.
The relevant ministries and agencies are working together to consider countermeasures.
Please contact the relevant authorities regarding this issue.
関係機関 is broader and includes non-governmental organizations, while 関係省庁 specifically refers to government ministries and agencies.
Compound of 関係 (relation, connection) and 省庁 (ministries and agencies).