Regulations last checked for updates: Nov 25, 2024

Title 47 - Telecommunication last revised: Nov 20, 2024
All TitlesTitle 47Chapter IPart 64Subpart W - Subpart W—Ring Signaling Integrity
authority: 47 U.S.C. 151,152,154,201,202,217,218,220,222,225,226,227,227b,228,251,251,254,255,262,276,403,c,616,620,716,1401,unless; Pub. L. 115-141, Div. P, sec. 503, 132 Stat. 348, 1091; Pub. L. 117-338, 136 Stat. 6156
source: 28 FR 13239, Dec. 5, 1963, unless otherwise noted.
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