2021 Quarterly Listings; Safety Zones, Security Zones, and Special Local Regulations AGENCY: Coast Guard, Department of Homeland Security (DHS).

This document provides notification of substantive rules issued by the Coast Guard that were made temporarily effective but expired before they could be published in the Federal Register. This document lists temporary safety zones, security zones, and special local regulations, all of limited duration and for which timely publication in the Federal Register was not possible. This document also announces notifications of enforcement for existing reoccurring regulations that we issued but were unable to be published before the enforcement period ended.