| Ex. ECO-B-005 | Federal | United States | Transportation Security Administration (DHS) | 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. 26825 Security Directive 1582/84-21-01: Security Measures - Face Mask Requirements (passenger railroads, intercity bus, public transportation) | Face-covering requirementTravel and quarantine | 2021 Q12021 Q2 | Primary source read | Open (PDF, 2.3 MB) |
| Ex. FED-053 | Federal | United States (aircraft operators under 49 C.F.R. part 1544) | Transportation Security Administration, DHS | 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. 26825 SD 1544-21-02, Security Measures - Face Masks | Face-covering requirementTravel and quarantineWorkplace rules | 2021 Q12021 Q2 | Primary source read | Open (PDF, 2.1 MB) |
| Ex. FED-054 | Federal | United States (airport operators under 49 C.F.R. part 1542) | Transportation Security Administration, DHS | Security Directive SD 1542-21-01, Security Measures - Face Masks (airports) SD 1542-21-01, Security Measures - Face Masks | Face-covering requirementTravel and quarantineWorkplace rules | 2021 Q12021 Q2 | Primary source read | Open (PDF, 2.0 MB) |
| Ex. FED-050 | Federal | United States (every public transportation, passenger railroad and fixed-route bus owner/operator under 49 C.F.R. §§ 1582.1(a), 1584.1) | Transportation Security Administration, DHS (Senior Official Performing the Duties of the Administrator) | 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. 26825 SD 1582/84-21-01, Security Measures - Mask Requirements (surface transportation) | Face-covering requirementTravel and quarantineWorkplace rules | 2021 Q12021 Q2 | Primary source read | Open (PDF, 2.3 MB) |
| Ex. FED-055 | Federal | United States (foreign air carriers under 49 C.F.R. part 1546) | Transportation Security Administration, DHS | Emergency Amendment EA 1546-21-01, Security Measures - Face Masks (foreign air carriers) EA 1546-21-01, Security Measures - Face Masks | Face-covering requirementTravel and quarantineWorkplace rules | 2021 Q12021 Q2 | Primary source read | Open (PDF, 2.3 MB) |
| Ex. MET-CHI-011 | City | City of Chicago, Illinois | Commissioner of Health of the City of Chicago | Public Health Order No. 2020-5 (Seventh Amended and Re-issued) Evening Cessation of Alcoholic Liquor Sales | Curfew and hoursAlcohol and bars | 2021 Q1 | Primary source read | Open (PDF, 438 KB) |
| Ex. MET-CHI-023 | City | City of Chicago, Illinois | Commissioner of Health of the City of Chicago | Repealer of Public Health Order No. 2020-11 Repealer - Non-Essential Business Curfew | Other | 2021 Q1 | Primary source read | Open (PDF, 236 KB) |