Second Protocol To The United States and United Kingdom Income Tax Treaty, February 10, 1977, Release Number b-32
United States. Department of the Treasury. "Second Protocol To The United States and United Kingdom Income Tax Treaty, February 10, 1977, Release Number b-32," in United States. Department of the Treasury. "Volume 205," Press Releases of the United States Department of the Treasury (January 4, 1977 - February 28, 1977) : 1350-1353. https://fraser.stlouisfed.org/title/6111/item/587048/toc/529130 , accessed on June 25, 2024.