| Ex. FED-239 | Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico, 85 Fed. Reg. 16547 (Mar. 24, 2020)Notification of Temporary Travel Restrictions Applicable to Land Ports of Entry and Ferries Service Between the United States and Mexico | DHS (Acting Secretary Chad F. Wolf), with CBP | United States-Mexico land border (all land ports of entry and ferry terminals)Federal | Mar. 24, 2020 | 2020 Q2 | Travel and quarantine | Primary source read | |
| Ex. FED-320 | Temporary Changes to Requirements Affecting H-2A Nonimmigrants Due to the COVID-19 National Emergency, 85 Fed. Reg. 21739 (Apr. 20, 2020) (temporary final rule)Temporary Changes to Requirements Affecting H-2A Nonimmigrants Due to the COVID-19 National Emergency | U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services | United States (H-2A employers and workers)Federal | Apr. 20, 2020 | 2020 Q22020 Q3 | Supply chainOther | Primary source read | |
| Ex. LAW-401 | 2017 NAICS Structure (workbook 2017_NAICS_Structure.xlsx)2017 NAICS Structure: change indicator, 2017 NAICS code, 2017 NAICS title, two through six digits (2,215 rows) | U.S. Census Bureau | United StatesFederal | Jan. 1, 2017 | | Legal authorityOther | Primary source read | |
| Ex. LAW-402 | 2-6 digit 2017 Code File (workbook 2-6 digit_2017_Codes.xlsx)2017 NAICS US codes and titles, two through six digits: 20 sectors, 99 subsectors, 311 industry groups, 709 NAICS industries, 1,057 U.S.… | U.S. Census Bureau | United StatesFederal | Jan. 1, 2017 | | Legal authorityOther | 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-20-005 | Temporary Final Rule, 85 Fed. Reg. 21739 (CIS No. 2667-20; DHS Docket USCIS-2020-0008)Temporary Changes to Requirements Affecting H-2A Nonimmigrants Due to the COVID-19 National Emergency | Department of Homeland Security, U.S. Citizenship and Immigration Services | United StatesFederal | Apr. 20, 2020 | 2020 Q22020 Q3 | Travel and quarantineOther | Primary source read | |
| Ex. FED-082 | DIR 2021-01 (CPL 03), National Emphasis Program - COVID-19 (Mar. 12, 2021)DIR 2021-01 (CPL-03), National Emphasis Program - Coronavirus Disease 2019 (COVID-19) | OSHA, Directorate of Enforcement Programs | United States (OSHA-wide; targeted industries by NAICS)Federal | Mar. 12, 2021 | 2021 Q12021 Q22021 Q3 | Workplace rules | Primary source read | |