The Seoul Administrative Court officially decided on 2 December 2011 to make public some 300 errors in the translation of documents relating to the free trade agreement.  Presidents Obama and Lee announced on December 4, 2010, that an agreement had been reached following discussions at the G20 summit in Seoul in November 2010 and new negotiations in December 2010 in Maryland; then signed an updated version of the agreement.      On March 15, 2012, the agreement came into force.  Another KORUS amendment is aimed at the bureaucracy associated with customs procedures. Korean customs traditionally require more detailed documentation in relation to U.S. customs, a practice that acts as a non-tariff barrier to trade. While in the United States, Customs and Border Guards primarily examine Tier 1 suppliers (direct suppliers of primary OEMs) as long as quotas exist for manufacturers lower in the supply chain, the Korean Customs Service often requires much more documentation, even for suppliers as far away as Tier 3 (raw material suppliers).33 The korus renegotiation has drawn up a list of eight principles. aimed at reducing this customs slowdown and calls for the creation of a working labour slowdown. In the 2008 U.S. presidential election, Senator John McCain of the Republican Party and Senator Barack Obama of the Democratic Party both expressed their commitment to an alliance between the United States and Korea, but the Democratic Party expressed concern about globalization and expressed new doubts about trade liberalization that , they said, could threaten the United States. Free trade agreement. His presidential candidate, Barack Obama, dismissed the KORUS free trade agreement during his election campaign as „bad” because he felt he would not do enough to increase car sales in the United States. His critics have taken over the auto unions.
 Obama said he would vote against the free trade agreement if he was on the ground in the U.S. Senate and would send him back to Korea if elected president. Korea FTA Text: The full text of the agreement. The original KORUS was born out of bilateral consultations that began at the end of 2004, when the idea of a trade agreement between the two countries had already been launched in the 1980s.