# Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to U.S. Navy Construction at Portsmouth Naval Shipyard, Kittery, Maine
> **Rule** · Final rule; notification of issuance of Letter of Authorization. · Published 2023-03-31 · Effective 2023-04-01 · 88 FR 19502
## Document
- **Document number:** 2023-06300
- **Category:** other
- **Federal Register citation:** 88 FR 19502
- **Publication date:** 2023-03-31
- **Effective date:** 2023-04-01
- **NOAA docket:** Docket No. 230321-0081
## Abstract

NMFS, upon request from the U.S. Navy (Navy), hereby issues regulations to govern the unintentional taking of marine mammals incidental to construction at the Portsmouth Naval Shipyard in Kittery, Maine, over the course of 5 years (2023-2028). These regulations, which allow for the issuance of a Letter of Authorization (LOA) for the incidental take of marine mammals during the described activities and specified timeframes, prescribe the permissible methods of taking and other means of effecting the least practicable adverse impact on marine mammal species or stocks and their habitat, as well as requirements pertaining to the monitoring and reporting of such taking.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2023/03/31/2023-06300/taking-and-importing-marine-mammals-taking-marine-mammals-incidental-to-us-navy-construction-at)
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