US lawIllinoisRegulationsTitle 83 — PUBLIC UTILITIESCHAPTER I: ILLINOIS COMMERCE COMMISSIONSUBCHAPTER f: TELEPHONE UTILITIESPart 790 — INTERCONNECTIONSubpart D790.40083 Ill. Adm. Code 790.400Applicability of Subpart DYear: 2026Length: 16 wordsOfficial source Section 790 Section 790.400 Applicability of Subpart D This Subpart shall apply to any telecommunications carrier.Next83 Ill. Adm. Code 790.405