US lawIllinoisRegulationsTitle 83 — PUBLIC UTILITIESCHAPTER I: ILLINOIS COMMERCE COMMISSIONSUBCHAPTER f: TELEPHONE UTILITIESPart 711 — COST ALLOCATION FOR LARGE LOCAL EXCHANGE CARRIERSSubpart E711.662383 Ill. Adm. Code 711.6623Account 6623 Customer Services Expenses (Repealed)Last amended: 2003Year: 2026Length: 10 wordsOfficial source Section 711 Section 711.6623 Account 6623 Customer Services Expenses (Repealed)Previous83 Ill. Adm. Code 711.6622Next83 Ill. Adm. Code 711.6711