# Expanding Flexible Use of the 3.7 to 4.2 GHz Band
> **Federal Communications Commission** · Final rule; announcement of compliance date. · Published 2021-03-10 · 86 FR 13659
## Document
- **Document number:** 2021-04999
- **Category:** spectrum-allocation
- **Federal Register citation:** 86 FR 13659
- **CFR reference:** 47 CFR 27
- **Publication date:** 2021-03-10
- **FCC docket:** GN Docket No. 18-122
## Abstract

In this document, the Commission announces that the Office of Management and Budget has approved the information collection requirements associated with the rules adopted in the Federal Communications Commission's 3.7 GHz Report and Order, FCC 20-22, 3.7 GHz requiring service licensees to comply with certain technical rules and coordination practices designed to reduce the risk of interference to incumbent operations. 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.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/03/10/2021-04999/expanding-flexible-use-of-the-37-to-42-ghz-band)
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