Bill tender on March and April tax bills (256 and 285-day bills), July 2, 1968, Release Number f-1296
United States. Department of the Treasury. "Bill tender on March and April tax bills (256 and 285-day bills), July 2, 1968, Release Number f-1296," in United States. Department of the Treasury. "Volume 162," Press Releases of the United States Department of the Treasury (June 5, 1968 - September 30, 1968) : 260-261. https://fraser.stlouisfed.org/title/6111/item/587005/toc/541100 , accessed on June 24, 2024.