Department of Homeland Security, Office of Strategy, Policy, and Plans; Transportation Security Oversight Board, Notification of Ratification of Security Directives and Emergency Amendment (TSA SD 1542-21-01, SD 1544-21-02, EA 1546-21-01) (Apr. 20, 2021) (Ex. FED-056)
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 (Ex. FED-053)
Transportation Security Administration, DHS, Emergency Amendment EA 1546-21-01, Security Measures - Face Masks (foreign air carriers) (Jan. 31, 2021) (Ex. FED-055)
