# Adoption of a Mandatory FCC Registration Number
> **Federal Communications Commission** · Final rules. · Published 2001-09-14 · Effective 2001-12-03 · 66 FR 47890
## Document
- **Document number:** 01-22969
- **Category:** other
- **Federal Register citation:** 66 FR 47890
- **CFR reference:** 47 CFR 1
- **Publication date:** 2001-09-14
- **Effective date:** 2001-12-03
- **FCC docket:** OMD Docket No. 00-205
## Abstract

The Commission amends its rules to require persons and entities doing business with the agency to obtain a unique identifying number, called the FCC Registration Number (FRN), through the Commission Registration System (CORES), and to provide the number when doing business with the agency. The FRN requirement is being adopted to better manage the Commission's financial systems and comply with various statutes governing the financial management of agency accounts.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/09/14/01-22969/adoption-of-a-mandatory-fcc-registration-number)
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