# Upper C-Band (3.98-4.2 GHz); Expanding Flexible Use of the 3.7 to 4.2 GHz Band
> **Federal Communications Commission** · Final rule; announcement of effective date. · Published 2026-10-19 · Effective 2026-10-19 · 91 FR 66010
## Document
- **Document number:** 2026-21324
- **Category:** spectrum-allocation
- **Federal Register citation:** 91 FR 66010
- **CFR reference:** 47 CFR 27
- **Publication date:** 2026-10-19
- **Effective date:** 2026-10-19
- **FCC docket:** GN Docket Nos. 18-122 and 25-59
## Abstract

In this document, the Federal Communications Commission (Commission) announces that the Office of Management and Budget (OMB) has approved the information collection requirements under OMB Control Number 3060-1272, as adopted in the Commission's Report and Order, Order of Proposed Modification, and Order on Reconsideration, FCC 26- 46.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2026/10/19/2026-21324/upper-c-band-398-42-ghz-expanding-flexible-use-of-the-37-to-42-ghz-band)
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