Amends the Community Emergency Services and Support Act. Replaces all references to the Division of Mental Health of the Department of Human Services with the Department of Human Services throughout the Act. Provides that 9-1-1 public safety answering points shall screen specific types of law enforcement calls and follow approved protocols and processes under the Act to identify callers experiencing behavioral health crises and to refer them for a behavioral health response. Provides that 9-1-1 public safety answering points shall open and follow the emergency medical dispatch protocols established under the Emergency Medical Services (EMS) Systems Act at the start of all emergency calls to ensure the protocols are used and applied consistently and uniformly to ensure that information related to behavioral health emergency calls is available for data collection and can be used to determine which calls should be referred for a behavioral health response. Provides that, among other things, each Regional Advisory Committee or subregional committee must (1) review regional and subregional crisis response system capacities and resources to inform planning and implementation and to foster collaboration across all sectors of the system and (2) determine the need for and make a plan to support local communities to develop and use other resources to create additional mobile mental health relief provider services to expand the capacity to provide more immediate service coverage. Amends the Emergency Telephone System Act. Provides that, beginning July 1, 2027, all public safety answering points shall use the protocols established under the Community Emergency Services and Support Act to identify behavioral and mental health-related emergencies that do not require a law enforcement response. Amends the Illinois State Police Law. Amends the Illinois Police Training Act. Provides that Crisis Intervention Team (CIT) training programs shall include, among other things, community response options including, the community response options under the Community Emergency Services and Support Act. Makes other changes.