Ill. Admin. Code tit. 77, § 270.2000
x) Any employee or agent of a public agency, any representative of a community legal services program or any member of a community organization shall be permitted access at reasonable hours to any individual patient or any facility if the purpose of such agency, program or organization includes rendering assistance to patients without charge, but only if there is neither a commercial purpose nor effect to such access and if the purpose is to do any of the following:
bb) The facility shall establish involuntary discharge procedures in accordance with subsection (cc) of this Section, which shall include at least the following:
cc) A facility may involuntarily transfer or discharge a patient only for one or more of the following reasons: