# Endangered and Threatened Wildlife and Plants; Revisions to the Regulations for Impact Analyses of Critical Habitat
> **US Fish and Wildlife Service** · Final rule. · Published 2013-08-28 · Effective 2013-10-30 · 78 FR 53058
## Document
- **Document number:** 2013-20994
- **Category:** endangered-species
- **Sub-agency:** US Fish and Wildlife Service
- **Federal Register citation:** 78 FR 53058
- **CFR reference:** 50 CFR 424
- **Publication date:** 2013-08-28
- **Effective date:** 2013-10-30
- **Interior docket:** Docket No. FWS-R9-ES-2011-0073
## Abstract

We, the U.S. Fish and Wildlife Service (FWS) and the National Marine Fisheries Service (NMFS) (collectively referred to as the "Services" or "we"), are finalizing a revision to our regulations pertaining to impact analyses conducted for designations of critical habitat under the Endangered Species Act of 1973, as amended (the Act). This regulation is being finalized as directed by the President's February 28, 2012, memorandum, which directed us to take prompt steps to revise our regulations to provide that the economic analysis be completed and made available for public comment at the time of publication of a proposed rule to designate critical habitat.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/08/28/2013-20994/endangered-and-threatened-wildlife-and-plants-revisions-to-the-regulations-for-impact-analyses-of)
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