Ill. Admin. Code tit. 89, § 590.430
When environmental modification is to be provided to a customer, DHS-DRS shall, with assistance of the customer, obtain a written agreement with the home's owner (if other than the customer) prior to the initiation of such services if the modification shall permanently alter the property.
(Source: Amended at 31 Ill. Reg. 7006, effective April 30, 2007)