US lawIllinoisRegulationsTitle 83 — PUBLIC UTILITIESCHAPTER I: ILLINOIS COMMERCE COMMISSIONSUBCHAPTER f: TELEPHONE UTILITIESPart 711 — COST ALLOCATION FOR LARGE LOCAL EXCHANGE CARRIERSSubpart E711.222083 Ill. Adm. Code 711.2220Account 2220 Operator Systems (Repealed)Last amended: 2003Year: 2026Length: 9 wordsOfficial source Section 711 Section 711.2220 Account 2220 Operator Systems (Repealed)Previous83 Ill. Adm. Code 711.2215Next83 Ill. Adm. Code 711.2231