CFR > Title 47 > Chapter I > Subchapter A > Part 1 > Subpart W CFR > Title 47 > Chapter I > Subchapter A > Part 1 > Subpart W – Fcc Registration Number Current as of: 2024 | Check for updates | Other versions § 1.8001 FCC Registration Number (FRN) § 1.8002 Obtaining an FRN § 1.8003 Providing the FRN in Commission filings § 1.8004 Penalty for Failure to Provide the FRN