2020: Travel demand removed by the presidential entry proclamations and DHS land-border notices (Exs. FED-200 to FED-207, FED-241 series), the stay-home orders in 42 States, the State traveler-quarantine orders (New York, Hawaii, Massachusetts, Chicago, Florida, Kansas, New Mexico and others) and the airport screening and isolation orders; Congress found the loss and appropriated relief 'from rent and minimum annual guarantees to on-airport car rental' concessions on Dec. 27, 2020 (Ex. SEC-22-006). 2021: The CDC conveyance and transportation-hub mask order and the TSA security directives governed every airport, rental-car shuttle and hub from Feb. 1, 2021 through Sept. 30, 2021 and beyond (Exs. FED-020, FED-021, FED-050 to FED-054); the entry proclamations ran to Nov. 8, 2021 (Ex. FED-209); Hawaii's Safe Travels quarantine and Kauai's rental-car rule ran through the period (Exs. HI-023, HI-024, MET-HNL-095); Congress appropriated a further $800 million of airport concession relief on Mar. 11, 2021 (Ex. SEC-22-001). Usual dates: Continuous; peaks at holidays, spring break and the summer and convention seasons. Scale: TSA checkpoint throughput: 2,280,522 on Mar. 1, 2020 against 2,301,439 on the same weekday of 2019; 953,699 on Mar. 17 against 2,177,929; 136,023 on Apr. 1 against 2,151,626; 87,534 on Apr. 14 against 2,208,688; 352,947 on May 31 against 2,555,578 (TSA, 'TSA checkpoint travel numbers for 2020 and 2019', June 1, 2020 capture, read). Venue orders 2020: FED-200, FED-202, FED-203, FED-204, FED-207, FL-011, FL-012, HI-003, NY-006, MA-025, MET-CHI-019, ECO-C-010, ECO-C-022, MET-HNL-095, SEC-22-006. Venue orders 2021: FED-020, FED-021, FED-050, FED-051, FED-052, FED-053, FED-054, FED-207, FED-208, FED-209, HI-023, HI-024, MET-HNL-095, KS-057, SEC-22-001, SEC-22-007.