Federal Aviation Administration, Flight Standards Service (with the CDC), Safety Alert for Operators (SAFO) 20009, COVID-19: Updated Interim Occupational Health and Safety Guidance for Air Carriers and Crews (Apr. 17, 2020) (Ex. DUT-FED-029)
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)
Centers for Disease Control and Prevention, HHS (order signed by the CDC Director Jan. 29, 2021), CDC Order, Requirement for Persons To Wear Masks While on Conveyances and at Transportation Hubs, 86 Fed. Reg. 8025 (Feb. 3, 2021; effective Feb. 1, 2021) (Jan. 29, 2021) (Ex. FED-020)
