| Ex. ECO-B-005 | TSA Security Directives SD 1582/84-21-01, -01A, -01B (surface transportation; Jan. 31, Apr. 30, Aug. 20, 2021); SD 1544-21-02 (aircraft operators) and SD 1542-21-01 (airports) (Jan. 31, 2021); ratification 86 Fed. Reg. 26825Security Directive 1582/84-21-01: Security Measures - Face Mask Requirements (passenger railroads, intercity bus, public transportation) | Transportation Security Administration (DHS) | United StatesFederal | Jan. 31, 2021 | 2021 Q12021 Q2 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. FED-050 | TSA Security Directives SD 1582/84-21-01, -01A, -01B (surface transportation; Jan. 31, Apr. 30, Aug. 20, 2021); SD 1544-21-02 (aircraft operators) and SD 1542-21-01 (airports) (Jan. 31, 2021); ratification 86 Fed. Reg. 26825SD 1582/84-21-01, Security Measures - Mask Requirements (surface transportation) | Transportation Security Administration, DHS (Senior Official Performing the Duties of the Administrator) | United States (every public transportation, passenger railroad and fixed-route bus owner/operator under 49 C.F.R. §§ 1582.1(a), 1584.1)Federal | Jan. 31, 2021 | 2021 Q12021 Q2 | Face-covering requirementTravel and quarantineWorkplace rules | Primary source read | |
| Ex. FED-051 | Security Directive SD 1582/84-21-01A, Security Measures - Mask RequirementsSD 1582/84-21-01A, Security Measures - Mask Requirements (cancels and supersedes SD 1582/84-21-01) | Transportation Security Administration, DHS | United States (surface transportation owner/operators)Federal | Apr. 30, 2021 | 2021 Q22021 Q3 | Face-covering requirementTravel and quarantineWorkplace rules | Primary source read | |
| Ex. ECO-B-006 | Security Directive SD 1582/84-21-01ASecurity Directive 1582/84-21-01A: Security Measures - Mask Requirements (surface transportation) | Transportation Security Administration (DHS) | United StatesFederal | Apr. 30, 2021 | 2021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. FED-056 | Notification of Ratification of Security Directives and Emergency Amendment (TSA SD 1542-21-01, SD 1544-21-02, EA 1546-21-01)Ratification of Security Directives and Emergency Amendment, 86 Fed. Reg. 26825 (May 18, 2021) | Department of Homeland Security, Office of Strategy, Policy, and Plans; Transportation Security Oversight Board | United StatesFederal | Apr. 20, 2021 | 2021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. FED-057 | Determination of a National Emergency Requiring Actions To Protect the Safety of Americans Using and Employed by the Transportation System (Jan. 27, 2021)Determination of a National Emergency Requiring Actions To Protect the Safety of Americans Using and Employed by the Transportation System… | Acting Secretary of Homeland Security David P. Pekoske | United States transportation systemFederal | Jan. 27, 2021 | 2021 Q12021 Q22021 Q3 | Emergency declarationTravel and quarantine | Primary source read | |
| Ex. FED-053 | TSA Security Directives SD 1582/84-21-01, -01A, -01B (surface transportation; Jan. 31, Apr. 30, Aug. 20, 2021); SD 1544-21-02 (aircraft operators) and SD 1542-21-01 (airports) (Jan. 31, 2021); ratification 86 Fed. Reg. 26825SD 1544-21-02, Security Measures - Face Masks | Transportation Security Administration, DHS | United States (aircraft operators under 49 C.F.R. part 1544)Federal | Jan. 31, 2021 | 2021 Q12021 Q2 | Face-covering requirementTravel and quarantineWorkplace rules | Primary source read | |
| Ex. FED-054 | Security Directive SD 1542-21-01, Security Measures - Face Masks (airports)SD 1542-21-01, Security Measures - Face Masks | Transportation Security Administration, DHS | United States (airport operators under 49 C.F.R. part 1542)Federal | Jan. 31, 2021 | 2021 Q12021 Q2 | Face-covering requirementTravel and quarantineWorkplace rules | Primary source read | |
| Ex. FED-055 | Emergency Amendment EA 1546-21-01, Security Measures - Face Masks (foreign air carriers)EA 1546-21-01, Security Measures - Face Masks | Transportation Security Administration, DHS | United States (foreign air carriers under 49 C.F.R. part 1546)Federal | Jan. 31, 2021 | 2021 Q12021 Q2 | Face-covering requirementTravel and quarantineWorkplace rules | Primary source read | |
| Ex. FED-061 | Executive Order 13998Promoting COVID-19 Safety in Domestic and International Travel, 86 Fed. Reg. 7205 (Jan. 26, 2021) | President Joseph R. Biden, Jr. | United States (domestic and international travel)Federal | Jan. 21, 2021 | 2021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |