adjective
interagency
in-ter-AY-jun-see/ˌɪntɝˈeɪdʒʌnsi/
Involving cooperation between two or more government agencies.
The interagency team coordinates a response to the flooded road.

Etymology
Agency first referred to active operation and later to an establishment acting for others. With inter-, the focus is on cooperation between such organizations, here government bodies.
In context
ensure that intra and interagency coordination helps states local governments and tribes access resources
More examples
- An interagency team coordinates the investigation.
- She attends an interagency meeting on disaster preparedness.
- The report calls for better interagency communication.
Forms
interagency
Similar words
- joint
- Can involve any cooperating parties, not specifically government agencies.
- interdepartmental
- Interdepartmental spans departments within or across organizations; interagency specifically spans agencies.