as determined by the Secretary, including the airport, air carrier (as defined in section 40102 of title 49, United States Code), and aerospace industries. (C) Applicable date For purposes of this paragraph, the term applicable date means the earlier of— (i) the date which is 6 months after the last day on which the coronavirus national emergency declaration is in effect, or (ii) January 1, 2023. (D) Coronavirus national emergency For purposes of this paragraph— (i) In general The coronavirus national emergency is the emergency with respect to which the President made the declarations described in clause (ii). (ii) Declarations The last day on which the coronavirus national emergency declaration is in effect is the later of— (I) the last day on which the declaration of the emergency involving Federal primary responsibility determined to exist by the President under section 501(b) of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5191(b) ) with respect to coronavirus disease 2019 (COVID–19) is in effect