This is a technical explanation of the Convention between the United States and Bulgaria for the Avoidance of Double Taxation and the Prevention of Fiscal Evasion with Respect to Taxes on Income, signed on February 23, 2007, and the Protocol between the United States and Bulgaria signed on the same date (the "Protocol"), as amended by the Protocol between the United States and Bulgaria signed on February 26, 2008 (collectively, the "Convention"). The Protocol is discussed below in connection with the relevant articles of the Convention.