US lawIllinoisRegulationsTitle 83 — PUBLIC UTILITIESCHAPTER I: ILLINOIS COMMERCE COMMISSIONSUBCHAPTER f: TELEPHONE UTILITIESPart 790 — INTERCONNECTIONSubpart D790.40583 Ill. Adm. Code 790.405ExclusionYear: 2026Length: 21 wordsOfficial source Section 790 Section 790.405 Exclusion Subpart D shall not be applicable to any telecommunications carrier that is not a Tier-1 LEC.Previous83 Ill. Adm. Code 790.400Next83 Ill. Adm. Code 790.410