| Ex. AGY-USCG-PORTS-016 | MSIB 13-20COVID 19 - Transportation Worker Identification Credential (TWIC) Operations | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwide (all MTSA-regulated vessels and facilities)Federal | Apr. 3, 2020 | 2020 Q22020 Q3 | Context (guidance or announcement)Workplace rulesOther | Primary source read | |
| Ex. AGY-USCG-PORTS-034 | MSIB 13-20 (Change 3)COVID 19 - Transportation Worker Identification Credential (TWIC) Operations (Change 3) | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | Apr. 21, 2021 | 2021 Q22021 Q3 | Context (guidance or announcement)Workplace rulesOther | Primary source read | |
| Ex. AGY-USCG-PORTS-001 | MSIB 01-20Novel Coronavirus Precautions | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate (CG-5PC) | United States Coast Guard (federal agency, Department of Homeland Security); nationwideFederal | Jan. 24, 2020 | | Context (guidance or announcement)Emergency declarationTravel and quarantineQuarantine and isolation | Primary source read | |
| Ex. AGY-USCG-PORTS-004 | MSIB 02-20 (Change 2)Novel Coronavirus - Update (Change 2) | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | Mar. 13, 2020 | | Context (guidance or announcement)Travel and quarantineQuarantine and isolationOther | Primary source read | |
| Ex. AGY-USCG-PORTS-007 | MSIB 07-20Novel Coronavirus - Port and Facility Operations | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwide (all MTSA-regulated facilities)Federal | Mar. 18, 2020 | 2020 Q2 | Context (guidance or announcement)Workplace rulesOther | 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-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-012 | MSIB 11-20Maintaining Maritime Commerce and Identification of Essential Maritime Critical Infrastructure Workers | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | Mar. 27, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q2 | Context (guidance or announcement)Stay-at-homeOther | Primary source read | |
| Ex. AGY-USCG-PORTS-020 | MSIB 02-20 (Change 4)Novel Coronavirus - Update (Change 4) | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | Apr. 23, 2020 | 2020 Q2 | Context (guidance or announcement)Business closureTravel and quarantineWorkplace rulesQuarantine and isolation | Primary source read | |
| Ex. AGY-USCG-PORTS-022 | MSIB 02-20 (Change 5)Novel Coronavirus - Update (Change 5) | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | May 27, 2020 | 2020 Q22020 Q32020 Q42021 Q1 | Context (guidance or announcement)Business closureTravel and quarantineWorkplace rulesQuarantine and isolation | Primary source read | |
| Ex. AGY-USCG-PORTS-026 | MSIB 13-20 (Change 1)COVID 19 - Transportation Worker Identification Credential (TWIC) Operations - Change 1 | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | Aug. 31, 2020 | 2020 Q32020 Q4 | Context (guidance or announcement)Workplace rulesOther | Primary source read | |
| Ex. AGY-USCG-PORTS-029 | MSIB 13-20 (Change 2)COVID 19 - Transportation Worker Identification Credential (TWIC) Operations (Change 2) | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | Dec. 22, 2020 | 2020 Q42021 Q12021 Q2 | Context (guidance or announcement)Workplace rulesOther | Primary source read | |
| Ex. AGY-USCG-PORTS-030 | MSIB 02-20 (Change 6)Novel Coronavirus - Update (Change 6) | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | Jan. 29, 2021 | 2021 Q12021 Q2 | Context (guidance or announcement)Travel and quarantineWorkplace rulesQuarantine and isolationOther | 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-033 | MSIB 02-21 (Change 1)COVID-19 Safety Requirements in the Maritime Transportation System: Change-1 | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwide (all commercial vessels and sea ports)Federal | Mar. 22, 2021 | 2021 Q12021 Q2 | Context (guidance or announcement)Face-covering requirementTravel and quarantineWorkplace rules | Primary source read | |
| Ex. AGY-USCG-PORTS-035 | MSIB 02-20 (Change 7)Novel Coronavirus - Update (Change 7) | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | May 5, 2021 | 2021 Q22021 Q3 | Context (guidance or announcement)Travel and quarantineWorkplace rulesQuarantine and isolationOther | Primary source read | |
| Ex. AGY-USCG-PORTS-019 | MSIB 07-20 (Change 1)COVID 19 - Port and Facility Operations - Change 1 | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | Apr. 17, 2020 | 2020 Q2 | Context (guidance or announcement)Workplace rulesOther | Primary source read | |
| Ex. AGY-USCG-PORTS-002 | MSIB 02-20Novel Coronavirus | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwide (all U.S. ports)Federal | Feb. 2, 2020 | | Context (guidance or announcement)Travel and quarantineWorkplace rulesQuarantine and isolationOther | Primary source read | |
| Ex. AGY-USCG-PORTS-003 | MSIB 02-20 (Change 1)Novel Coronavirus - Update (Change 1) | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | Mar. 9, 2020 | | Context (guidance or announcement)Travel and quarantineQuarantine and isolationOther | Primary source read | |
| Ex. AGY-USCG-PORTS-006 | MSIB 02-20 (Change 3)Novel Coronavirus - Update (Change 3) | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwideFederal | Mar. 16, 2020 | 2020 Q2 | Context (guidance or announcement)Business closureTravel and quarantineQuarantine and isolationOther | Primary source read | |
| Ex. AGY-USCG-PORTS-037 | MSIB 02-21 (Change 2)COVID-19 Safety Requirements in the Maritime Transportation System: Change-2 | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwide (all commercial vessels and sea ports)Federal | June 11, 2021 | 2021 Q22021 Q3 | Context (guidance or announcement)Capacity limitFace-covering requirementTravel and quarantineWorkplace rules | Primary source read | |
| Ex. AGY-USCG-PORTS-038 | MSIB 02-21 (Change 3)COVID-19 Safety Requirements in the Maritime Transportation System: Change-3 | Commandant, U.S. Coast Guard, Inspections and Compliance Directorate | United States Coast Guard; nationwide (all commercial vessels and sea ports)Federal | Sept. 2, 2021 | 2021 Q3 | Context (guidance or announcement)Face-covering requirementTravel and quarantineWorkplace rules | Primary source read | |