Specifications include, but are not limited to: The Centers of Medicare and Medicaid Services (CMS) issued a 2021 guidance letter outlining the scope of services for qualifying community based mobile crisis intervention services authorized by section 9813 of the American Rescue Plan Act of 2021 (ARPA), the provision to provide rapid response, individual assessment, and crisis resolution by trained mental health and substance use treatment professionals and paraprofessionals in situations that involve individuals who are presumed or known to have a mental health and/or substance use condition. With the provision of these intervention services, individuals can be linked to needed services to reduce psychiatric hospitalizations, including hospitalizations that follow psychiatric emergency department (ED) admissions. Additionally, mobile crisis teams can respond to situations that require their services rather than those of law enforcement