National emergency authority to temporarily extend deadlines for certain estimated payments : communication from the President of the United States transmitting a notification directing the Secretary of the Treasury to consider taking appropriate action to temporarily extend deadlines for importers suffering significant financial hardship because of COVID-19, pursuant to 50 U.S.C. 1631; Public Law 94-412, sec. 301; (90 Stat. 1257); and 19 U.S.C. 1318(a).