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 the 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