57. The representative from China supported the submissions contained in documents IP/C/W/442 and IP/C/W/443. The proposals had provided specific suggestions on how to implement the obligation of submitting evidence of benefit-sharing and this would push forward the negotiations in order to build a reasonable international system on biotechnology. It was necessary to amend the TRIPS Agreement and other relevant international rules in accordance with the CBD. Each Member should prepare its laws to protect traditional knowledge and biodiversity. Regarding the United States proposal contained in document IP/C/W/434, he acknowledged that, to some extent, the contractual system was reasonable. However, it might lead to unfair results since developed countries might take advantage of their strong position on technology to force developing countries to accept an unfair contract.