# Designation of Mallows Bay-Potomac River National Marine Sanctuary; Notification of Effective Date
> **Rule** · Notification of effective date. · Published 2019-09-26 · Effective 2019-09-03 · 84 FR 50736
## Document
- **Document number:** 2019-20608
- **Category:** mpa-designation
- **Federal Register citation:** 84 FR 50736
- **Publication date:** 2019-09-26
- **Effective date:** 2019-09-03
## Abstract

The National Oceanic and Atmospheric Administration (NOAA) provides notice that the designation and the final regulations to implement the designation of Mallows Bay-Potomac River National Marine Sanctuary (MPNMS) published on July 8, 2019 became effective on September 3, 2019.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2019/09/26/2019-20608/designation-of-mallows-bay-potomac-river-national-marine-sanctuary-notification-of-effective-date)
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