Mr. Julio Ronconi
| Official Name | Prefeitura Municipal de Rio Negrinho |
| Country | Brazil - Americas |
| Population | 41,060 |
| Area | 908,391 km² |
| Employees | 1340 |
| Participant Since | 16 May 2014 |
| Participation Type | Active |
| Representative | Mr. Julio Ronconi |
| Next COE Due On | 27 April 2020 |