Transportation Security Administration, DHS, Security Directive SD 1582/84-21-01B, Security Measures - Mask Requirements (Aug. 20, 2021) (Ex. FED-052)
Transportation Security Administration, DHS, Security Directive SD 1582/84-21-01A, Security Measures - Mask Requirements (Apr. 30, 2021) (Ex. FED-051)
Transportation Security Administration (DHS), Security Directive SD 1582/84-21-01A (Apr. 30, 2021) (Ex. ECO-B-006)
Transportation Security Administration (DHS), Security Directive SD 1582/84-21-01B (Aug. 20, 2021) (Ex. ECO-B-007)
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)
Acting Secretary of Homeland Security David P. Pekoske, Determination of a National Emergency Requiring Actions To Protect the Safety of Americans Using and Employed by the Transportation System (Jan. 27, 2021) (Ex. FED-057)
President Joseph R. Biden, Jr, Executive Order 13998 (Jan. 21, 2021) (Ex. FED-061)
