| 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-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-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. 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-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-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 | |
| Ex. DUT-FED-063 | Interim Guidance for Implementing Safety Practices for Critical Infrastructure Workers Who May Have Had Exposure to a Person with Suspected or Confirmed COVID-19 (Apr. 8, 2020)Interim Guidance for Implementing Safety Practices for Critical Infrastructure Workers Who May Have Had Exposure to a Person with Suspected… | Centers for Disease Control and Prevention | United StatesFederal | Apr. 8, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Standing dutyFace-covering requirementWorkplace rulesQuarantine and isolation | Primary source read | |
| Ex. AGY-FED-FINANCIAL-013 | OCC Bulletin 2020-23Pandemic Planning: Essential Critical Infrastructure Workers in the Financial Services Sector | Office of the Comptroller of the Currency | United States; Office of the Comptroller of the Currency (federal)Federal | Mar. 25, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Context (guidance or announcement)Stay-at-homeTravel and quarantine | Primary source read | |
| Ex. AGY-FED-FINANCIAL-031 | Letter to Credit Unions 20-CU-03Identification of Essential Critical Infrastructure Workers During COVID-19 | NCUA | United States; National Credit Union Administration (federal)Federal | Mar. 1, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Context (guidance or announcement)Stay-at-homeTravel and quarantine | 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. DUT-FED-034 | Interim Guidance for Businesses and Employers to Plan and Respond to Coronavirus Disease 2019 (COVID-19) (as revised March 21, 2020)Interim Guidance for Businesses and Employers to Plan and Respond to Coronavirus Disease 2019 (COVID-19) | Centers for Disease Control and Prevention | United StatesFederal | Mar. 21, 2020 | 2020 Q2 | Standing dutyWorkplace rulesQuarantine and isolation | Primary source read | |
| Ex. SEC-08-002 | Guidance on the Essential Critical Infrastructure Workforce, version 2.0Advisory Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response | DHS Cybersecurity and Infrastructure Security Agency | United StatesFederal | Mar. 28, 2020 | 2020 Q2 | Business closureOther | Primary source read | |
| Ex. SEC-13-001 | Statement by Secretary Steven T. Mnuchin on Essential Financial Services Workers (press release SM956), transmitting the memorandum Financial Services Sector Essential Critical Infrastructure WorkersStatement by Secretary Steven T. Mnuchin on Essential Financial Services Workers | Secretary of the Treasury Steven T. Mnuchin | United StatesFederal | Mar. 24, 2020 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Business closureOther | Primary source read | |
| Ex. SEC-14-008 | Guidance on the Essential Critical Infrastructure Workforce, Version 3.0Advisory Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response | Cybersecurity and Infrastructure Security Agency, DHS | United StatesFederal | Apr. 17, 2020 | 2020 Q22020 Q3 | Business closure | Primary source read | |