US lawIllinoisRegulationsTitle 83 — PUBLIC UTILITIESCHAPTER I: ILLINOIS COMMERCE COMMISSIONSUBCHAPTER f: TELEPHONE UTILITIESPart 711 — COST ALLOCATION FOR LARGE LOCAL EXCHANGE CARRIERSSubpart D711.22583 Ill. Adm. Code 711.225Analysis of Research and Development Projects (Repealed)Last amended: 2003Year: 2026Length: 11 wordsOfficial source Section 711 Section 711.225 Analysis of Research and Development Projects (Repealed)Previous83 Ill. Adm. Code 711.220Next83 Ill. Adm. Code 711.230