[Excerpt] On June 28, 2007, after two and a half years of negotiation, the United States and Panama signed a reciprocal free trade agreement (FTA). Negotiations were formally concluded on December 16, 2006, with an understanding that further changes to labor, environment, and intellectual property rights (IPR) chapters would be made pursuant to future detailed congressional input. These changes were agreed to in late June 2007, in time for the FTA to be considered under Trade Promotion Authority (TPA) legislation before it expired on July 1, 2007. TPA allows Congress to consider trade implementing bills under expedited procedures. Panama’s legislature approved the FTA 58 to 4 on July 11, 2007. The 110th Congress did not take up the agreemen...