US lawIllinoisRegulationsTitle 83 — PUBLIC UTILITIESCHAPTER I: ILLINOIS COMMERCE COMMISSIONSUBCHAPTER f: TELEPHONE COMPANIESPart 731 — WHOLESALE SERVICE QUALITY FOR TELECOMMUNICATIONS CARRIERSSubpart F731.60083 Ill. Adm. Code 731.600Applicability of Subpart FYear: 2026Length: 18 wordsOfficial source Section 731.600 Applicability of Subpart F The provisions of Subpart F are applicable to all Level 2 carriers.Next83 Ill. Adm. Code 731.605