United States. Department of the Treasury. Treasury and IRS Delay Federal Tax Day from April 15 to July 15 Due to COVID-19 Outbreak : Press Release, March 21, 2020,
Department of the Treasury : Documents Relating to the COVID-19 Pandemic.
https://fraser.stlouisfed.org/archival/6321/item/606215/content/pdf/2020-03-21_sm953, accessed on March 12, 2026.