Regulations last checked for updates: Feb 11, 2026

Title 47 - Telecommunication last revised: Feb 05, 2026
§ 61.66 - Scope.

The rules in this subpart apply to all issuing carriers, unless otherwise noted.

[76 FR 43216, July 20, 2011]
source: 49 FR 40869, Oct. 18, 1984, unless otherwise noted.
cite as: 47 CFR 61.66