405 ILCS 5/3-600 : Health and Safety — Mental Health — Mental Health and Developmental Disabilities Code — Chapter III. Admission, Transfer and Discharge Procedures for the Mentally Ill — Emergency Admission by Certification —600 TEXT PDF A person 18 years of age or older who is subject to involuntary admission on an inpatient basis and in need of immediate hospitalization may be admitted to a mental health facility pursuant to this Article. 405 ILCS 5/3-600 P.A. 80-1414. Amended by P.A. 096-1453,§ 5, eff. 8/20/2010. Amended by P.A. 096-1399,§ 5, eff. 7/29/2010.