Reference Source

Federal Register 2026-15598 — effective 2026-09-29 — Upper C-Band (3.98-4.2 GHz); Expanding Flexible Use of the 3.7 to 4.2 GHz Band — Federal Communications Commission

What is the effective date for Federal Register 2026-15598 — effective 2026-09-29 — Upper C-Band (3.98-4.2 GHz); Expanding Flexible Use of the 3.7 to 4.2 GHz Band — Federal Communications Commission?

For Federal Register 2026-15598, effective date is 2026-09-29; agency is Federal Communications Commission; published is 2026-07-31; cfr parts amended is 47 CFR 1, 47 CFR 25, 47 CFR 27, recorded from its source on 2026-08-10; source re-checked 2026-09-18.

{"document_number":"2026-15598","title":"Upper C-Band (3.98-4.2 GHz); Expanding Flexible Use of the 3.7 to 4.2 GHz Band","agency_names":["Federal Communications Commission"],"effective_on":"2026-09-29","dates":"The rules are effective September 29, 2026, except for instruction 7 (Sec. Sec. 25.138(a) and (b)); instruction 8 (Sec. 25.147); instruction 17 Sec. (27.14(x)(3)); instruction 26 (Sec. 27.1412(b), (c), (e), and (g); instruction 28 (Sec. 27.1413(a)(3), (c)(1), (c)(9), (e) and (f)); instruction 30 (Sec. 27.1414(e)); instruction 31 (Sec. 27.1415); instruction 32 (Sec. 27.1416); instruction 33 (Sec. 27.1417); instruction 35 (Sec. 27.1419); instruction 37 (Sec. 27.1421); instruction 39 (Sec. 27.1422(c)); and instruction 41 Sec. 27.1424 of the Commission's rules, which contain new or modified information collection requirements that require review by the Office of Management and Budget (OMB) under the Paperwork Reduction Act and will not become effective until the effective date for those information collections is announced in a document published in the Federal Register after the Commission receives OMB approval. The Federal Communications Commission will publish a document in the Federal Register announcing the effective date of these rule sections.","cfr_references":[{"chapter":null,"citation_url":null,"part":"1","title":47},{"chapter":null,"citation_url":null,"part":"25","title":47},{"chapter":null,"citation_url":null,"part":"27","title":47}],"publication_date":"2026-07-31","html_url":"https://www.federalregister.gov/documents/2026/07/31/2026-15598/upper-c-band-398-42-ghz-expanding-flexible-use-of-the-37-to-42-ghz-band"}

— federalregister.gov, retrieved 2026-08-10

FR document number
2026-15598 verified
Rule
Upper C-Band (3.98-4.2 GHz); Expanding Flexible Use of the 3.7 to 4.2 GHz Band verified
Agency
Federal Communications Commission verified
Effective date
2026-09-29 verified
DATES, as printed
The rules are effective September 29, 2026, except for instruction 7 (Sec. Sec. 25.138(a) and (b)); instruction 8 (Sec. 25.147); instruction 17 Sec. (27.14(x)(3)); instruction 26 (Sec. 27.1412(b), (c), (e), and (g); instruction 28 (Sec. 27.1413(a)(3), (c)(1), (c)(9), (e) and (f)); instruction 30 (Sec. 27.1414(e)); instruction 31 (Sec. 27.1415); instruction 32 (Sec. 27.1416); instruction 33 (Sec. 27.1417); instruction 35 (Sec. 27.1419); instruction 37 (Sec. 27.1421); instruction 39 (Sec. 27.1422(c)); and instruction 41 Sec. 27.1424 of the Commission's rules, which contain new or modified information collection requirements that require review by the Office of Management and Budget (OMB) under the Paperwork Reduction Act and will not become effective until the effective date for those information collections is announced in a document published in the Federal Register after the Commission receives OMB approval. The Federal Communications Commission will publish a document in the Federal Register announcing the effective date of these rule sections. verified
CFR parts amended
47 CFR 1, 47 CFR 25, 47 CFR 27 our reading
Published
2026-07-31 verified
Sourcefederalregister.gov
Verified
Review by
DatasetFederal rules taking effect: every US final rule in the Federal Register, by effective date

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.

This one changes, and we watch it.Federal rules taking effect: every US final rule in the Federal Register, by effective date is re-read on a schedule and every change is dated. Subscribe: Atom feed · JSON · what has changed so far.