February 27, 1958 will be date for entry into force of the valuation provisions of Customs Simplification Act of 1956, January 28, 1958
United States. Department of the Treasury. "February 27, 1958 will be date for entry into force of the valuation provisions of Customs Simplification Act of 1956, January 28, 1958," in United States. Department of the Treasury. "Volume 112," Press Releases of the United States Department of the Treasury (January 2, 1958 - March 31, 1958) : 158-167. https://fraser.stlouisfed.org/title/6111/item/586955/toc/537576 , accessed on June 25, 2024.