Ill. Admin. Code tit. 20, § 1790.150 – Form of Documents Filed

a) Documents shall clearly state a title for the proceedings in connection with which they are filed. Documents shall be filed electronically in letter-quality print on letter-sized paper and shall be signed by the party or by the party's authorized representative.
b) Exhibits, when possible, shall be reduced or enlarged to conform to the size requirements of subsection (a). A party is not prohibited from enlarging an exhibit at hearing for demonstrative purposes as long as the exhibit is reduced to the size requirement in this subsection (b) for the record.
c) All pleadings shall bear the business address, e-mail address, fax number, if any, and telephone number of the attorney filing the pleading or of the party who appears on his or her own behalf.