# 2026-15206 — Federal rules taking effect: every published US final rule whose effective date is still in the future

For 2026-15206, rule is Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to U.S. Navy Operations of Surveillance Towed Array Sensor System Low Frequency Active Sonar in the Western and Central North Pacific Ocean and Eastern Indian Ocean; agency is National Oceanic and Atmospheric Administration; effective date is 2026-08-12; dates, as printed is Effective from August 12, 2026, through August 11, 2033; cfr parts amended is 50 CFR 218, recorded from its source on 2026-08-10.

- **FR document number:** 2026-15206 _(verified: appears in the quote below)_
- **Rule:** Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to U.S. Navy Operations of Surveillance Towed Array Sensor System Low Frequency Active Sonar in the Western and Central North Pacific Ocean and Eastern Indian Ocean _(verified: appears in the quote below)_
- **Agency:** National Oceanic and Atmospheric Administration _(verified: appears in the quote below)_
- **Effective date:** 2026-08-12 _(verified: appears in the quote below)_
- **DATES, as printed:** Effective from August 12, 2026, through August 11, 2033. _(verified: appears in the quote below)_
- **CFR parts amended:** 50 CFR 218 _(our reading, not quoted from the source)_
- **Published:** 2026-07-28 _(verified: appears in the quote below)_

## What the source says

> {"document_number":"2026-15206","title":"Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to U.S. Navy Operations of Surveillance Towed Array Sensor System Low Frequency Active Sonar in the Western and Central North Pacific Ocean and Eastern Indian Ocean","agency_names":["Commerce Department","National Oceanic and Atmospheric Administration"],"effective_on":"2026-08-12","dates":"Effective from August 12, 2026, through August 11, 2033.","cfr_references":[{"chapter":null,"citation_url":null,"part":"218","title":50}],"publication_date":"2026-07-28","html_url":"https://www.federalregister.gov/documents/2026/07/28/2026-15206/takes-of-marine-mammals-incidental-to-specified-activities-taking-marine-mammals-incidental-to-us"}

## Source

- https://www.federalregister.gov/api/v1/documents.json?per_page=1000&order=oldest&conditions%5Btype%5D%5B%5D=RULE&conditions%5Beffective_date%5D%5Bgte%5D=2026-08-11&conditions%5Beffective_date%5D%5Blte%5D=2026-12-31&fields%5B%5D=document_number&fields%5B%5D=title&fields%5B%5D=agency_names&fields%5B%5D=effective_on&fields%5B%5D=dates&fields%5B%5D=cfr_references&fields%5B%5D=publication_date&fields%5B%5D=html_url

Last verified: 2026-08-10. Review by: 2026-08-24.
Part of [Federal rules taking effect: every published US final rule whose effective date is still in the future](https://referencesource.org/federal-rules-taking-effect/).