Where a document or form (other than a "pleading" as defined in Rules of Practice, 83 Ill. Adm. Code 200) is required to be filed with the Illinois Commerce Commission under the provisions of 92 Ill. Adm. Code: Chapter III, the original and two copies must be filed, unless the document or form is being filed by a motor carrier of passengers or a rail carrier.
Ill. Admin. Code tit. 92, § 1201.10