Knowledge Base
Other·Regulation·10/18/2026

FCC Customer Proprietary Network Information (CPNI) Rules

47 CFR Part 64 Subpart U: CPNI use, disclosure, approval, notices, safeguards, authentication and breach procedures. Supplied text flags amendments and deferred SIM-change compliance; displayed deadlines require version checks.

Prepared byShubhank Suman
Source: Owner-supplied eCFR snapshot, 2 October 2026; amendment/compliance caveats in research preview
united-statestelecommunicationscpnicustomer-authenticationbreach-notification

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