Ill. Admin. Code tit. 77, § 2060.310
a) At the time of application for initial and renewal of licensure and during the period of licensure, all facility locations shall meet the following requirements:
i) Each facility that provides 24-hour care shall ensure that it can provide for basic needs of patients/residents including, but not limited to, access to food and clean water. If such facility also directly provides food service, it shall:
k) Each facility licensed for residential treatment (including withdrawal management) shall have a written policy that will ensure that gender-specific and gender-identity needs of patients served are addressed, and ensure, as applicable, that: