| 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 | |
| Ex. ECO-A-127 | Notification of Arrival Restrictions Applicable to Flights Carrying Persons Who Have Recently Traveled From or Were Otherwise Present Within the United Kingdom or the Republic of Ireland, 85 Fed. Reg. 15714 (Mar. 19, 2020)Arrival restrictions: United Kingdom and Ireland | Acting Secretary of Homeland Security | United StatesFederal | Mar. 19, 2020 | 2020 Q22020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-128 | Notification of Arrival Restrictions Applicable to Flights Carrying Persons Who Have Recently Traveled From or Were Otherwise Present Within the Federative Republic of Brazil, 85 Fed. Reg. 31957 (May 28, 2020)Arrival restrictions: Brazil | Acting Secretary of Homeland Security | United StatesFederal | May 28, 2020 | 2020 Q22020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-A-129 | Notification of Termination of Arrival Restrictions Applicable to Flights Carrying Persons Who Have Recently Traveled From or Were Otherwise Present Within Certain Countries, 85 Fed. Reg. 57108 (Sept. 15, 2020)Termination of arrival restrictions (flight funneling) effective Sept. 14, 2020 | Acting Secretary of Homeland Security | United StatesFederal | Sept. 15, 2020 | 2020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-C-044 | 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. 6044Arrival restrictions (funneling of flights to designated airports; enhanced screening) | Department of Homeland Security (Acting Secretary Chad F. Wolf) | United StatesFederal | Jan. 31, 2020 | 2020 Q22020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-C-045 | 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. 15059Arrival restrictions (Schengen Area flights funneled to 13 airports) | Department of Homeland Security | United StatesFederal | Mar. 13, 2020 | 2020 Q22020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-C-046 | Notification of Arrival Restrictions Applicable to Flights Carrying Persons Who Have Recently Traveled From or Were Otherwise Present Within the United Kingdom or the Republic of Ireland, 85 Fed. Reg. 15714Arrival restrictions (UK and Ireland flights) | Department of Homeland Security | United StatesFederal | Mar. 16, 2020 | 2020 Q22020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-C-047 | Notification of Arrival Restrictions Applicable to Flights Carrying Persons Who Have Recently Traveled From or Were Otherwise Present Within the Federative Republic of Brazil, 85 Fed. Reg. 31957 (May 28, 2020)Arrival restrictions (Brazil flights; Fort Lauderdale and Houston added) | Department of Homeland Security | United StatesFederal | May 26, 2020 | 2020 Q22020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-C-048 | Notification of Termination of Arrival Restrictions Applicable to Flights Carrying Persons Who Have Recently Traveled From or Were Otherwise Present Within Certain Countries, 85 Fed. Reg. 57108 (Sept. 15, 2020)Termination of the China, Iran, Schengen, UK/Ireland and Brazil arrival restrictions | Department of Homeland Security | United StatesFederal | Sept. 11, 2020 | 2020 Q3 | Travel and quarantine | Primary source read | |
| Ex. ECO-C-126 | DHS announcement of March 20, 2020: flexibility in requirements related to Form I-9 compliance (with the March 31, 2021 update)Deferral of the physical presence requirements for Form I-9 Section 2 document inspection for employers and workplaces operating remotely | U.S. Department of Homeland Security / U.S. Immigration and Customs Enforcement | United StatesFederal | Mar. 20, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Telework mandateWorkplace rulesOther | Primary source read | |