CFR›Title 47›Chapter I›Part 68›Subpart A ContainsSections 68.1–68.7CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart A—General Sections 68.1 § 68.1 Purpose. 68.2 § 68.2 Scope. 68.3 § 68.3 Definitions. 68.4 § 68.4 Hearing aid-compatible telephones. 68.5 § 68.5 Waivers. 68.6 § 68.6 Telephones with volume control. 68.7 § 68.7 Technical criteria for terminal equipment. AuthoritySecs. 4, 5, 303, 710, 48 Stat., as amended, 1066, 1068, 1082 (47 U.S.C. 154, 155, 303, 610).Source45 FR 20841, Mar. 31, 1980, unless otherwise noted. Next B Subpart B—Conditions on Use of Terminal Equipment