Aug 29-Some 80US trade organizations call for a Section 301inquiry to determine whether the yuan's exchange rate constitutes unfair trading practices.

Sep 1-In his Labour Day speech,President Bush expresses his willingness to push for the convertibility of some foreign currency.

Sep 2-Treasury Secretary John Snow chooses to sit on the fence in his IMF speech,saying a free-floating yuan is good for China's central bank and will help China's economy withstand both internal and external shocks.

Sep 3-UNITE,a union representing 250,000apparel,textile,laundry and distribution workers,announces a grassroots lobbying campaign to slow the surge of Chinese imports.

Sep 5-The US Senate passes Resolution 1586to demand currency negotiations with China within 180days under threat of introducing sanctions.

Sep 10-House Resolution 3058is proposed to curb what it terms "China's currency manipulation".The Treasury Secretary is asked to assess the situation and impose an additional tariff if necessary.

Sep 11-A Senate hearing is held on US-China relations.

Sep 26-Senate Resolution 219is passed to encourage China to establish a market-based valuation of the yuan.

Oct 1-The House Committee on Financial Services discusses the opening of China's financial market.

Oct 2-Congress receives Bill 3328,which requests the revocation of normal trade relations with China.

Oct 3-The US-China Business Council issues its assessment of China's WTO compliance.

Oct 16-17-A House committee holds a hearing to discuss China's role in the world economy and its trade commitments.

Oct 20-The US Senate proposes Resolution 1758asking the Treasury Secretary to report on "China's currency manipulation".

Oct 21-The US Congress holds a hearing on reassessing US-China economic ties.

Oct 31-the US Treasury Department report said that China is not manipulating its currency to gain unfair trade advantages.However,Snow said the Bush administration would continue to keep up its diplomatic pressure on China to drop its tight peg to the dollar.