United States. Department of the Treasury. "U. S.-Czech Income Tax Treaty Takes Effect, December 27, 1993," in United States. Department of the Treasury. "Volume 330," Press Releases of the United States Department of the Treasury (December 3, 1993 - January 25, 1994) : 138-139. https://fraser.stlouisfed.org/title/6111/item/587173/toc/547847 , accessed on May 18, 2024.