There are several technical issues left to be resolved. Negotiators from the US and the Cairns Group of agriculture-producing countries, led by Australia, disagree. But domestic politics dictate that the government not be seen to let down the peasantry. This is absolute nonsense. They should know the limit.
Passions run strong on both sides.
China was expected to start fulfilling it pledges immediately. It took almost a year for the Chinese government to follow through on its commitments and issue concrete rules allowing the importation of US wheat, meat and citrus. The government played its cards wisely, relaxing restrictions no earlier than two months before the US House of Representatives' crucial PNTR vote. Some nine months after the first direct shipments, many on the US side are frustrated with China's slow implementation and enforcement of its own rules. Subsequent shipments have met resistance from Chinese quarantine officials, which continue to express concerns over TCK spore levels.