| Ex. AGY-USCG-PORTS-040 | SLSDC notice, Marine Safety Information Bulletin - Update (Change 4) (republishing USCG MSIB 02-20 Change 4)Marine Safety Information Bulletin - Update (Change 4) | Great Lakes St. Lawrence Seaway Development Corporation | Great Lakes St. Lawrence Seaway Development Corporation; the St. Lawrence Seaway and Great LakesFederal | Apr. 28, 2020 | 2020 Q2 | Context (guidance or announcement)Business closureTravel and quarantineWorkplace rulesQuarantine and isolation | Primary source read | |
| Ex. AGY-FED-LANDS-SCIENCE-COURTS-055 | News release, 'Hoover Dam temporarily closed to all visitors'Hoover Dam temporarily closed to all visitors | Bureau of Reclamation, Lower Colorado Basin Region | Hoover Dam (NV/AZ), Bureau of Reclamation Lower Colorado Basin RegionFederal | Mar. 17, 2020 | 2020 Q22020 Q32020 Q4 | Context (guidance or announcement)Business closureTravel and quarantine | Primary source read | |
| Ex. AGY-USCG-PORTS-005 | MSIB 06-20Vessel Reporting Requirements for Illness or Death | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | Mar. 13, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Context (guidance or announcement)Travel and quarantineQuarantine and isolationOther | Primary source read | |
| Ex. AGY-USCG-PORTS-021 | MSIB 07-20 (Change 2)COVID 19 - Port and Facility Operations - Change 2 | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | May 7, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Context (guidance or announcement)Workplace rulesOther | Primary source read | |
| Ex. AGY-USCG-PORTS-031 | MSIB 02-21COVID-19 Safety Requirements in the Maritime Transportation System | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwide (all commercial vessels)Federal | Feb. 1, 2021 | 2021 Q1 | Context (guidance or announcement)Face-covering requirementTravel and quarantineWorkplace rules | Primary source read | |
| Ex. AGY-USCG-PORTS-043 | U.S. Maritime Alert 2021-002A2021-002A-Worldwide-All Air Passengers Entering the United States - Upcoming Mariner Travel Requirements Change | Maritime Administration, Office of Maritime Security | Maritime Administration; worldwide (mariners traveling by air to the United States)Federal | Jan. 16, 2021 | 2021 Q1 | Context (guidance or announcement)Travel and quarantineQuarantine and isolation | Primary source read | |