# Expanding Flexible Use of the 3.7 to 4.2 GHz Band
> **Federal Communications Commission** · Final rule; announcement of compliance date. · Published 2021-04-02 · 86 FR 17311
## Document
- **Document number:** 2021-06868
- **Category:** spectrum-allocation
- **Federal Register citation:** 86 FR 17311
- **CFR reference:** 47 CFR 25
- **Publication date:** 2021-04-02
- **FCC docket:** GN Docket Nos. 18-122
## Abstract

In this document, the Commission announces that the Office of Management and Budget (OMB) has approved information collection requirements associated with the transition of operations in one frequency band to another, adopted in the Federal Communications Commission's (Commission) 3.7 GHz Report and Order, FCC 20-22, and that compliance with the new rules is now required. This document is consistent with the 3.7 GHz Report and Order, FCC 20-22, which states that the Commission will publish a document in the Federal Register announcing a compliance date for the new rule sections and revise the Commission's rules accordingly.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/04/02/2021-06868/expanding-flexible-use-of-the-37-to-42-ghz-band)
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