| Ex. FED-394 | CISA, Guidance on the Essential Critical Infrastructure Workforce, v1.0 (Mar. 19, 2020)Guidance on the Essential Critical Infrastructure Workforce: Ensuring Community and National Resilience in COVID-19 Response, Version 1.0 | Cybersecurity and Infrastructure Security Agency, Department of Homeland Security (Director Christopher C. Krebs) | United StatesFederal | Mar. 19, 2020 | 2020 Q2 | Other | Primary source read | |
| 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. SEC-09-037 | Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response (Version 1.0)CISA Essential Critical Infrastructure Workforce Guidance v1.0 | CISA (Director Christopher C. Krebs) | United StatesFederal | Mar. 19, 2020 | | Other | Primary source read | |
| Ex. MET-DFW-041 | Executive Order by County Judge During Declared Local DisasterExecutive Order clarifying the Second Amended Declaration (CISA critical infrastructure exempt; online retail sales permitted) | Tarrant County Judge B. Glen Whitley | Tarrant County, TexasCounty | Mar. 22, 2020 | 2020 Q2 | Business closureSupply chain | Primary source read | |
| Ex. ECO-A-125 | Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response, Version 1.0 (Mar. 19, 2020)CISA Essential Critical Infrastructure Workforce guidance, Version 1.0 | Cybersecurity and Infrastructure Security Agency, Department of Homeland Security (Director Christopher C. Krebs) | United StatesFederal | Mar. 19, 2020 | 2020 Q2 | Business closure | Primary source read | |
| Ex. SEC-09-036 | Guidance on the Essential Critical Infrastructure Workforce, Version 3.0 (Apr. 17, 2020) (file opens with the Mar. 28, 2020 advisory memorandum)CISA Essential Critical Infrastructure Workforce Guidance v3.0 | Cybersecurity and Infrastructure Security Agency, Department of Homeland Security (Director Christopher C. Krebs) | United StatesFederal | Apr. 17, 2020 | | Other | Primary source read | |
| Ex. SEC-12-073 | Guidance on the Essential Critical Infrastructure Workforce, Version 3.0CISA Guidance on the Essential Critical Infrastructure Workforce, Version 3.0 (Apr. 17, 2020) | Cybersecurity and Infrastructure Security Agency (DHS) | United StatesFederal | Apr. 17, 2020 | 2020 Q22020 Q3 | Other | Primary source read | |
| Ex. SEC-19-002 | Guidance on the Essential Critical Infrastructure Workforce, Version 2.0Advisory Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response (Version 2.0) | CISA | United StatesFederal | Mar. 28, 2020 | 2020 Q2 | Other | Primary source read | |
| Ex. LA-005 | Proclamation 33 JBE 2020Additional Measures for COVID-19 - Stay at Home | Governor John Bel Edwards | LouisianaState | Mar. 22, 2020 | 2020 Q2 | Stay-at-homeBusiness closureTelework mandateGathering capSchools and child careWorkplace rules | Primary source read | |
| Ex. SEC-18-001 | Guidance on the Essential Critical Infrastructure Workforce, Version 4.1Advisory Memorandum on Ensuring Essential Critical Infrastructure Workers' Ability to Work During the COVID-19 Response | Cybersecurity and Infrastructure Security Agency (CISA), Department of Homeland Security (Director Jen Easterly) | United StatesFederal | Aug. 10, 2021 | 2021 Q3 | Other | Primary source read | |
| Ex. TX-023 | Executive Order GA-30Relating to the continued response to the COVID-19 disaster as Texas reopens | Governor Greg Abbott | TexasState | Sept. 17, 2020 | 2020 Q32020 Q4 | Business closureCapacity limitGathering capSchools and child careHealth care ordersAlcohol and barsEvents and venuesWorkplace rules | Primary source read | |
| Ex. MET-TPA-006 | Executive Order of the Hillsborough County Emergency Policy Group Amending its Safer-At-Home OrderExecutive Order of the Hillsborough County Emergency Policy Group Amending its Safer-At-Home Order in Response to a County Wide Threat from… | Hillsborough County Emergency Policy Group | Hillsborough County, FloridaCounty | Mar. 30, 2020 | 2020 Q2 | Stay-at-homeOther | Primary source read | |
| Ex. SEC-07-001 | Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response, Version 1.0Guidance on the Essential Critical Infrastructure Workforce: Ensuring Community and National Resilience in COVID-19 Response, Version 1.0 | Cybersecurity and Infrastructure Security Agency (CISA), Department of Homeland Security | United StatesFederal | Mar. 19, 2020 | | Other | Primary source read | |
| Ex. SEC-07-003 | Guidance on the Essential Critical Infrastructure Workforce, Version 3.0Advisory Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response, Version 3.0 | CISA | United StatesFederal | Apr. 17, 2020 | 2020 Q2 | Other | Primary source read | |
| Ex. SEC-07-004 | Guidance on the Essential Critical Infrastructure Workforce, Version 3.1Advisory Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response, Version 3.1 | CISA | United StatesFederal | May 19, 2020 | 2020 Q22020 Q3 | Other | Primary source read | |
| Ex. SEC-07-005 | Guidance on the Essential Critical Infrastructure Workforce, Version 4.0Advisory Memorandum on Ensuring Essential Critical Infrastructure Workers' Ability to Work During the COVID-19 Response, Version 4.0 | CISA | United StatesFederal | Aug. 18, 2020 | 2020 Q32020 Q4 | Other | Primary source read | |
| Ex. SEC-07-024 | Guidance on the Essential Critical Infrastructure Workforce, Version 4.1Advisory Memorandum on Ensuring Essential Critical Infrastructure Workers' Ability to Work During the COVID-19 Response, Version 4.1 | CISA | United StatesFederal | Aug. 5, 2021 | 2020 Q42021 Q12021 Q22021 Q3 | Other | Primary source read | |
| Ex. SEC-18-002 | Guidance on the Essential Critical Infrastructure Workforce, Version 3.0Advisory Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response | CISA, Department of Homeland Security (Director Christopher Krebs) | United StatesFederal | Apr. 17, 2020 | 2020 Q22020 Q3 | Other | Primary source read | |
| Ex. SEC-19-001 | Guidance on the Essential Critical Infrastructure Workforce, Version 1.0Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response | Department of Homeland Security, Cybersecurity and Infrastructure Security Agency (CISA) | United StatesFederal | Mar. 19, 2020 | 2020 Q2 | Other | Primary source read | |
| Ex. SEC-19-003 | Guidance on the Essential Critical Infrastructure Workforce, Version 3.0Advisory Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response (Version 3.0) | CISA | United StatesFederal | Apr. 17, 2020 | 2020 Q22020 Q3 | Other | Primary source read | |
| Ex. AGY-ST-TRANSPORT-PORTS-TRANSIT-060 | PCCA news release, Mar. 23, 2020: the port 'will remain open to provide critical infrastructure services' as area businesses close; the port will remain accessible to port employees, terminal operators, labor, pilots, tug and barge operators, seafarers, stevedores, agents and line handlers if Texas or Nueces County issues a shelter-in-place order; screening protocols and social distancingPort of Corpus Christi Remains Open as COVID-19 Pandemic Evolves | Port of Corpus Christi Authority (PCCA); Chief Executive Officer Sean Strawbridge | Texas (Port of Corpus Christi; Nueces and San Patricio Counties)Sector regulator | Mar. 23, 2020 | 2020 Q2 | Context (guidance or announcement)Workplace rulesSupply chain | Primary source read | |
| Ex. AGY-DEFENSE-GUARD-037 | Memorandum for Defense Industrial Base, Defense Industrial Base Essential Critical Infrastructure Workforce (Mar. 20, 2020)Defense Industrial Base Essential Critical Infrastructure Workforce | Under Secretary of Defense for Acquisition and Sustainment Ellen M. Lord | Defense Industrial Base (all DoD prime contractors and subcontractors)Federal | Mar. 20, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Business closureWorkplace rulesSupply chain | Primary source read | |
| Ex. AGY-FED-FINANCIAL-012 | SR 20-6Identification of Essential Critical Infrastructure Workers in the Financial Services Sector During the COVID-19 Response | Board of Governors of the Federal Reserve System | United States; Board of Governors of the Federal Reserve System (federal)Federal | Mar. 27, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Stay-at-homeTravel and quarantineOther | Primary source read | |