Ill. Admin. Code tit. 56, § 2535.300 – Posting of Pregnancy Discrimination Notice

a) An employer must post and keep posted in a conspicuous location on the premises of the employer where notices to employees are customarily posted a notice approved by the Department.
1. 1) The notice approved by the Department will summarize the prohibition against discrimination regarding pregnancy and an employee's right to a reasonable accommodation for her pregnancy condition, including information pertaining to the filing of a charge, the right to be free from unlawful discrimination, and the right to certain reasonable accommodations.
2. 2) The Department will make the notice available for download from its website at http://www2.illinois.gov/dhr/Publications/Pages/Pregnancy_
  Rights_Notice_Requirement.aspx.
b) An employer must include in any employee handbook information concerning a job applicant's or employee's rights regarding pregnancy in the workplace. An employer's handbook that contains the same information as set forth in the Department's notice will be sufficient to comply with this subsection. However, nothing in this subsection prohibits the employer from providing additional information.