US lawIllinoisRegulationsTitle 83 — PUBLIC UTILITIESCHAPTER I: ILLINOIS COMMERCE COMMISSIONSUBCHAPTER f: TELEPHONE COMPANIESPart 731 — WHOLESALE SERVICE QUALITY FOR TELECOMMUNICATIONS CARRIERSSubpart C731.30083 Ill. Adm. Code 731.300Applicability of Subpart CYear: 2026Length: 18 wordsOfficial source Section 731.300 Applicability of Subpart C The provisions of Subpart C are applicable to all Level 1 carriers.Next83 Ill. Adm. Code 731.305