Regulations last checked for updates: Feb 07, 2026

Title 47 - Telecommunication last revised: Jan 30, 2026
All TitlesTitle 47Chapter IPart 20 - PART 20—COMMERCIAL MOBILE SERVICES
authority: 47 U.S.C. 151,152,154,155,157,160,201,214,222,251,301,302a,303,303(b),303(r),307,307(a),309,309(j)(3),316,316(a),332,610,615,615a,615b, and615c,unless
source: 59 FR 18495, Apr. 19, 1994, unless otherwise noted.
cite as: 47 CFR 20.18
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