At the regional level, EMSA and DHS jointly appoint a Regional Disaster Medical and Health Coordinator (RDMHC), whose responsibilities include supporting the mutual aid requests of the Medical Health Operational Area Coordinator (MHOAC) for disaster response within the region and providing mutual aid support to other areas of the state in support of the state medical response system. The RDMHC also serves as an information source to the state medical and health response system.