Section 163-3-A-7 - Response Standards for Emergency Medical Dispatch Centers1. Emergency Medical Dispatch Centers must provide Emergency Medical Dispatch Services twenty-four hours a day, every day, with full-time dispatch capability to ensure that all calls for medical assistance received are processed in accordance with 32 M.R.S. §85-A, the Maine EMS-approved Emergency Medical Dispatch Priority Reference System and these Rules. 2. Emergency Medical Dispatch services must be implemented within the first 10 seconds of when a 9-1-1 call is received in at least ninety percent of the calls received.3. Effective June 1, 2020, licensed Emergency Medical Dispatch Centers at a minimum must provide the Emergency Medical Dispatch Determinant level and chief complaint to responders as part of the emergency medical services dispatch to a call for medical treatment or transport on all calls received through the E-911 system. 1. (Chief Complaint, as defined in the International Academy of Emergency Dispatch EMD Course Manual Edition 25, is 'the primary reason the patient is seeking medical care (in some cases only the mechanism of injury).2. Determinant Levels: 'A categorization of Determinant Descriptors for each Chief Complaint that reflects the general priority of the incident (OMEGA, ALPHA, BRAVO, CHARLIE, DELTA and ECHO).'3. These definitions are incorporated into these rules by reference: a. Copies of theses definitions from the International Academy of Emergency Dispatch, Emergency Medical Dispatch Manual Edition 25, (September 2015) is available at cost from Maine Emergency Medical Services, 45 Commerce Drive, Augusta, Maine 04330.16-163 C.M.R. ch. 3, § A-7