CFR›Title 47›Chapter I›Part 9›Subpart E ContainsSections 9.13–9.14CorpusDaily eCFRDisplayed edition2026-04-23Last updated2026-04-23 Subpart E—Telecommunications Relay Services for Persons with Disabilities Sections 9.13 § 9.13 Jurisdiction. 9.14 § 9.14 Emergency calling requirements. Previous D Subpart D—Interconnected Voice over Internet Protocol Services Next F Subpart F—Multi-Line Telephone Systems