US lawIllinoisRegulationsTitle 83 — PUBLIC UTILITIESCHAPTER I: ILLINOIS COMMERCE COMMISSIONSUBCHAPTER f: TELEPHONE UTILITIESPart 711 — COST ALLOCATION FOR LARGE LOCAL EXCHANGE CARRIERSSubpart E711.653583 Ill. Adm. Code 711.6535Account 6535 Engineering Expense (Repealed)Last amended: 2003Year: 2026Length: 9 wordsOfficial source Section 711 Section 711.6535 Account 6535 Engineering Expense (Repealed)Previous83 Ill. Adm. Code 711.6534Next83 Ill. Adm. Code 711.6540