50 CFR § 18.124 - Authorized take allowed under a Letter of Authorization (LOA).

---
identifier: "/us/cfr/t50/s18.124"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "50 CFR § 18.124 - Authorized take allowed under a Letter of Authorization (LOA)."
title_number: 50
title_name: "Wildlife and Fisheries"
section_number: "18.124"
section_name: "Authorized take allowed under a Letter of Authorization (LOA)."
chapter_name: "UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR"
subchapter_number: "B"
subchapter_name: "TAKING, POSSESSION, TRANSPORTATION, SALE, PURCHASE, BARTER, EXPORTATION, AND IMPORTATION OF WILDLIFE AND PLANTS"
part_number: "18"
part_name: "MARINE MAMMALS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "16 U.S.C. 1361"
regulatory_source: "39 FR 7262, Feb. 25, 1974, unless otherwise noted."
cfr_part: "18"
---


# 18.124 Authorized take allowed under a Letter of Authorization (LOA).

(a) An LOA allows for the nonlethal, non-injurious, incidental, but not intentional take by Level B harassment, as defined in § 18.3 and under section 3 of the Marine Mammal Protection Act (16 U.S.C. 1362), of Pacific walruses while conducting oil and gas industry exploration, development, and production within the Beaufort Sea ITR region described in § 18.120.

(b) An LOA allows for the nonlethal, incidental, but not intentional take by Level A harassment and Level B harassment, as defined in § 18.3 and under section 3 of the Marine Mammal Protection Act (16 U.S.C. 1362), of polar bears while conducting oil and gas industry exploration, development, and production within the Beaufort Sea ITR region described in § 18.120.

(c) Each LOA will identify terms and conditions for each activity and location.

[90 FR 27431, June 26, 2025]

At 90 FR 27431, June 26, 2025, § 18.124 was revised, effective June 26, 2025 through Aug. 5, 2026.