United States. Department of the Treasury. "The United States and Turkey Announce Agreement on the Transition From Existing Digital Services Tax to New Multilateral Solution Agreed by the OECD-G20 Inclusive Framework," Press Releases of the United States Department of the Treasury (November 22, 2021). https://fraser.stlouisfed.org/title/6111/item/610114, accessed on August 4, 2026.