| Ex. ECO-A-044 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 85 Fed. Reg. 44183 (July 22, 2020)Land-border travel restrictions (Mexico): extension to Aug. 20, 2020 | Acting Secretary of Homeland Security | United States / Mexico land borderFederal | July 22, 2020 | 2020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-045 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 85 Fed. Reg. 51633 (Aug. 21, 2020)Land-border travel restrictions (Mexico): extension to Sept. 21, 2020 | Acting Secretary of Homeland Security | United States / Mexico land borderFederal | Aug. 21, 2020 | 2020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-046 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 85 Fed. Reg. 59669 (Sept. 23, 2020)Land-border travel restrictions (Mexico): extension to Oct. 21, 2020 | Acting Secretary of Homeland Security | United States / Mexico land borderFederal | Sept. 23, 2020 | 2020 Q32020 Q4 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-047 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 85 Fed. Reg. 67275 (Oct. 22, 2020)Land-border travel restrictions (Mexico): extension to Nov. 21, 2020 | Acting Secretary of Homeland Security | United States / Mexico land borderFederal | Oct. 22, 2020 | 2020 Q4 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-048 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 85 Fed. Reg. 74604 (Nov. 23, 2020)Land-border travel restrictions (Mexico): extension to Dec. 21, 2020 | Acting Secretary of Homeland Security | United States / Mexico land borderFederal | Nov. 23, 2020 | 2020 Q4 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-049 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 85 Fed. Reg. 83433 (Dec. 22, 2020)Land-border travel restrictions (Mexico): extension to Jan. 21, 2021 | Acting Secretary of Homeland Security | United States / Mexico land borderFederal | Dec. 22, 2020 | 2020 Q42021 Q1 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-050 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 86 Fed. Reg. 4967 (Jan. 19, 2021)Land-border travel restrictions (Mexico): extension to Feb. 21, 2021 | Acting Secretary of Homeland Security | United States / Mexico land borderFederal | Jan. 19, 2021 | 2021 Q1 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-051 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 86 Fed. Reg. 10816 (Feb. 23, 2021)Land-border travel restrictions (Mexico): extension to Mar. 21, 2021 | Secretary of Homeland Security (Alejandro N. Mayorkas) | United States / Mexico land borderFederal | Feb. 23, 2021 | 2021 Q1 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-052 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 86 Fed. Reg. 14813 (Mar. 19, 2021)Land-border travel restrictions (Mexico): extension to Apr. 21, 2021 | Secretary of Homeland Security | United States / Mexico land borderFederal | Mar. 19, 2021 | 2021 Q12021 Q2 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-053 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 86 Fed. Reg. 21189 (Apr. 22, 2021)Land-border travel restrictions (Mexico): extension to May 21, 2021 | Secretary of Homeland Security | United States / Mexico land borderFederal | Apr. 22, 2021 | 2021 Q2 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-054 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 86 Fed. Reg. 27800 (May 24, 2021)Land-border travel restrictions (Mexico): extension to June 21, 2021 | Secretary of Homeland Security | United States / Mexico land borderFederal | May 24, 2021 | 2021 Q2 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-055 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 86 Fed. Reg. 32766 (June 23, 2021)Land-border travel restrictions (Mexico): extension to July 21, 2021 | Secretary of Homeland Security | United States / Mexico land borderFederal | June 23, 2021 | 2021 Q22021 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-056 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 86 Fed. Reg. 38554 (July 22, 2021)Land-border travel restrictions (Mexico): extension to Aug. 21, 2021 | Secretary of Homeland Security | United States / Mexico land borderFederal | July 22, 2021 | 2021 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-057 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 86 Fed. Reg. 46963 (Aug. 23, 2021)Land-border travel restrictions (Mexico): extension to Sept. 21, 2021 | Secretary of Homeland Security | United States / Mexico land borderFederal | Aug. 23, 2021 | 2021 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-058 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 86 Fed. Reg. 52611 (Sept. 22, 2021)Land-border travel restrictions (Mexico): extension to Oct. 21, 2021 | Secretary of Homeland Security | United States / Mexico land borderFederal | Sept. 22, 2021 | 2021 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-059 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 86 Fed. Reg. 58216 (Oct. 21, 2021)Land-border travel restrictions (Mexico): continued to Jan. 21, 2022; non-essential travel by fully vaccinated persons permitted from Nov.… | Secretary of Homeland Security | United States / Mexico land borderFederal | Oct. 21, 2021 | | Travel and quarantineVaccination or testing | Primary source read | |
| Ex. ECO-A-064 | Temporary Final Rule, Prioritization and Allocation of Certain Scarce or Threatened Health and Medical Resources for Domestic Use, 44 C.F.R. part 328, 85 Fed. Reg. 20195 (Apr. 10, 2020)Prioritization and Allocation of Certain Scarce or Threatened Health and Medical Resources for Domestic Use | Federal Emergency Management Agency, Department of Homeland Security (Administrator Peter T. Gaynor) | United StatesFederal | Apr. 7, 2020 | 2020 Q22020 Q3 | Supply chain | Primary source read | |
| Ex. ECO-A-116 | Notification of Arrival Restrictions Applicable to Flights Carrying Persons Who Have Recently Traveled From or Were Otherwise Present Within the People's Republic of China, 85 Fed. Reg. 6044 (Feb. 4, 2020)Arrival restrictions: flights from China funneled to designated airports | Acting Secretary of Homeland Security | United StatesFederal | Feb. 4, 2020 | 2020 Q22020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-117 | Notification of Arrival Restrictions Applicable to Flights Carrying Persons Who Have Recently Traveled From or Were Otherwise Present Within the People's Republic of China (amended list of airports), 85 Fed. Reg. 7214 (Feb. 7, 2020)Arrival restrictions (China): amended airport list | Acting Secretary of Homeland Security | United StatesFederal | Feb. 7, 2020 | 2020 Q22020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-118 | Notification of Arrival Restrictions Applicable to Flights Carrying Persons Who Have Recently Traveled From or Were Otherwise Present Within the People's Republic of China or the Islamic Republic of Iran, 85 Fed. Reg. 12731 (Mar. 4, 2020)Arrival restrictions: China and Iran | Acting Secretary of Homeland Security | United StatesFederal | Mar. 4, 2020 | 2020 Q22020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-119 | Notification of Arrival Restrictions Applicable to Flights Carrying Persons Who Have Recently Traveled From or Were Otherwise Present Within the Countries of the Schengen Area, 85 Fed. Reg. 15059 (Mar. 17, 2020)Arrival restrictions: Schengen Area | Acting Secretary of Homeland Security | United StatesFederal | Mar. 17, 2020 | 2020 Q22020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-121 | Advisory Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response, Version 2.0 (Mar. 28, 2020)CISA Essential Critical Infrastructure Workforce guidance, Version 2.0 | CISA, Department of Homeland Security | United StatesFederal | Mar. 28, 2020 | 2020 Q2 | Business closure | Confirmed from a secondary source | |
| Ex. ECO-A-122 | Advisory Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response, Version 3.0 (Apr. 17, 2020)CISA Essential Critical Infrastructure Workforce guidance, Version 3.0 | CISA, Department of Homeland Security | United StatesFederal | Apr. 17, 2020 | 2020 Q2 | Business closure | Primary source read | |
| Ex. ECO-A-123 | Advisory Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response, Version 3.1 (May 19, 2020)CISA Essential Critical Infrastructure Workforce guidance, Version 3.1 | CISA, Department of Homeland Security | United StatesFederal | May 19, 2020 | 2020 Q22020 Q3 | Business closure | Primary source read | |
| Ex. ECO-A-124 | Advisory Memorandum on Ensuring Essential Critical Infrastructure Workers' Ability to Work During the COVID-19 Response, Version 4.0 (Aug. 18, 2020) (the document also carries the Dec. 16, 2020 Version 4.0 reissue date)CISA Essential Critical Infrastructure Workforce guidance, Version 4.0 | CISA, Department of Homeland Security | United StatesFederal | Aug. 18, 2020 | 2020 Q32020 Q42021 Q12021 Q22021 Q3 | Business closure | Primary source read | |