US lawIllinoisRegulationsTitle 83 — PUBLIC UTILITIESCHAPTER I: ILLINOIS COMMERCE COMMISSIONSUBCHAPTER f: TELEPHONE UTILITIESPart 730 — STANDARDS OF SERVICE FOR LOCAL EXCHANGE TELECOMMUNICATIONS CARRIERSSubpart C730.31083 Ill. Adm. Code 730.310Grade of ServiceLast amended: 2000Year: 2026Length: 16 wordsOfficial source Section 730 Section 730.310 Grade of Service No local exchange carrier shall offer party line service.Previous83 Ill. Adm. Code 730.305Next83 Ill. Adm. Code 730.315