Ill. Admin. Code tit. 1, § 100.450
a) The Index Department staff will review all proposed rules to ensure that publication requirements as outlined in this Part have been met. If corrections are necessary to produce the Register from the Legislative Information System (LIS) database, the Index Department staff will notify the agency. The proposed rules, amendments or repealer will be published in the Register when the material is correct. Agencies shall submit the following:
3) A cover letter.
(Source: Amended at 22 Ill. Reg. 11532, effective July 1, 1998)