---
kind: "unit"
title: "50"
title_heading: "Wildlife and Fisheries"
key: "chII/subchC/part217/subpartS"
level: "subpart"
label: "Subpart S"
heading: "Taking Marine Mammals Incidental to Geophysical Survey Activities in the Gulf of America"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/50/chII-subchC-part217-subpartS"
sections_count: 10
---

# Subpart S — Taking Marine Mammals Incidental to Geophysical Survey Activities in the Gulf of America

Title 50 C.F.R. — Wildlife and Fisheries › Chapter II — National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Department of Commerce › Subchapter C — Marine Mammals › Part 217 — Regulations Governing the Take of Marine Mammals Incidental to Specified Activities

## Sections

- [§217.180. Specified activity and specified geographical region.](/cfr/50/217.180.md)
- [§217.181. Effective dates.](/cfr/50/217.181.md)
- [§217.182. Permissible methods of taking.](/cfr/50/217.182.md)
- [§217.183. Prohibitions.](/cfr/50/217.183.md)
- [§217.184. Mitigation requirements.](/cfr/50/217.184.md)
- [§217.185. Requirements for monitoring and reporting.](/cfr/50/217.185.md)
- [§217.186. Letters of Authorization.](/cfr/50/217.186.md)
- [§217.187. Renewals and modifications of Letters of Authorization.](/cfr/50/217.187.md)
- [§217.188. Severability.](/cfr/50/217.188.md)
- [§217.189. Reserved](/cfr/50/217.189.md)