Creates the Community Supported Living Arrangement Services Act. Provides that the Department of Human Services, Division of Developmental Disabilities shall work in coordination with the Department of Healthcare and Family Services to develop, implement, and operate, and to submit, through the Department of Healthcare and Family Services, amendments to the Illinois Adults with Developmental Disabilities Section 1915(c) Home and Community-Based Services Waiver, subject to approval by the Centers for Medicare and Medicaid Services. Provides for establishment of provider licensing, certification, and oversight standards for Community Supported Living-24 Hour services consistent with existing State authority for community-based residential services, but with the person's own home not requiring licensing or Bureau of Accreditation, Licensure and Certification reviews. Provides for 24-hour availability of trained personnel for individuals with intense physical, medical, or behavioral support needs. Contains provisions regarding: covered services; enrollment; the use of tools such as the Health Risk Screening Tool; housing independence; staffing and workforce standards; phased implementation; Person-Centered Plans; dignity of risk; compliance with mandates; quality assurance; evaluations; a Community Supported Living Advisory Council; reports; fiscal issues; administrative issues; and other matters. Effective immediately.