| 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-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. LAW-305 | 49 U.S.C. 114 (2023 ed.)Transportation Security Administration; (l)(2) emergency regulations and security directives | Congress of the United States | United States or State (legal authority; see citation)Legal authority | Jan. 1, 2024 | 2020 Q22020 Q32020 Q42021 Q12021 Q22021 Q3 | Legal authorityOther | Primary source read | |
| Ex. MET-MKE-044 | Federal Mask Mandate for Public Transportation Extended (release of Aug. 23, 2021)Masks required on all MCTS buses regardless of vaccination status through at least January 18, 2022 | Milwaukee County Transit System (implementing the TSA Security Directive and CDC order) | Milwaukee County, Wisconsin (Milwaukee County Transit System)County | Aug. 23, 2021 | 2021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |
| Ex. AGY-ST-TRANSPORT-PORTS-TRANSIT-072 | RIPTA 'Response to Coronavirus (COVID-19)' page, updated June 7, 2021: masks required at all times per federal law (TSA); 'Failure to comply will result in denial of boarding or removal, and may result in penalties'; disability exemptions only by prior request; transit centers and Photo ID offices still closed; free rides to vaccination appointments; transit for essential travel onlyRIPTA's Response to Coronavirus (COVID-19) - UPDATED: June 7, 2021 (TSA mask requirement; denial of boarding; transit centers closed) | Rhode Island Public Transit Authority (RIPTA) | Rhode Island (statewide)State | June 7, 2021 | 2021 Q12021 Q22021 Q3 | Business closureFace-covering requirementTravel and quarantine | 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 | |
| Ex. MET-MSY-037 | RTA notice implementing the federal mask mandate for public transitRTA follows federal mask mandate for public transit | New Orleans Regional Transit Authority (applying the CDC order of Jan. 29, 2021 and TSA Security Directive) | New Orleans Regional Transit Authority (Orleans Parish)Sector regulator | Feb. 1, 2021 | 2021 Q12021 Q22021 Q3 | Face-covering requirementTravel and quarantine | Primary source read | |