| 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-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. 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. SEC-14-082 | TDEM Essential Services list (additions to CISA v2.0)Essential Services | Texas Division of Emergency Management (under GA-14) | TexasState | Apr. 2, 2020 | 2020 Q2 | Stay-at-homeBusiness closure | Confirmed from a secondary source | |
| 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-07-002 | 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 | Confirmed from a secondary source | |
| 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 | |