"While a number of issues will be raised in the discussions that he will have, given the increase in regional tensions, the Air Defense Identification Zone that China announced will be an issue the Vice President will raise," White House Press Secretary Jay Carney on Monday said.
Biden is currently on a three-nation Asia trip taking him to Japan, South Korea and China.
"He has an excellent relationship with the leaders of all three countries, and he will underscore how important it is to avoid actions that raise tensions and to prevent miscalculations that could undermine peace, security and prosperity in the region," Carney said.
The visit by the Vice President is an opportunity for him to raise US concerns directly with policymakers in Beijing and to seek clarity regarding the Chinese intentions in making this move at this time, he said.
"It is also an opportunity to confer with our allies, Japan and the Republic of Korea, both of whom are directly affected by China's actions," Carney said.
The US, he said, remains deeply concerned that China announced the establishment of an East China Sea Air Defense Identification Zone (ADIZ).
"This appears to be a provocative attempt to unilaterally change the status quo in the East China Sea and thus raises regional tensions and increases the risk of miscalculation, confrontation, and accidents," he said.
"We are consulting and coordinating closely with Japan, the Republic of Korea, and our friends and allies in the region. China announced the ADIZ without prior consultations, even though the newly announced ADIZ overlaps with parts of the longstanding ADIZ's of Japan, the Republic of Korea, and Taiwan, and includes territory administered by Japan," he added.
The United States, he said, does not accept the legitimacy of China's requirements for operating in the newly declared ADIZ.
"The fact that China's announcement has caused confusion and increased the risk of accidents only further underscores the validity of our concerns and the need for China to rescind the procedures," he said.
It is for the safety and security of the US carriers that American airlines have been advised to follow the advisories issued by the Chinese in this regard, he said.
"For safety and security of passengers, US carriers operating internationally operate consistent with notices to airmen issued by foreign countries.
This in no way indicates the US government acceptance of China's requirement in the newly declared ADIZ and has absolutely no bearing on the firm and consistent US government position that we do not accept the legitimacy of China's requirements," Carney said.
"This is about the safety and security of passengers. It is not an indication of any change in our position. We do not accept the legitimacy of China's requirements," he argued.
The Federal Aviation Authority (FAA) is in contact with the US carriers in this regard.
"The FAA is the point of contact with airlines.  There has not been any information that has been put out or confirmed that I am aware of that has conveyed what has or has not been communicated in that capacity to airlines," the State Department spokesperson Jen Psaki said.
"This is a case where China announced this in an uncoordinated fashion. It's inconsistent with standard practice. Their requirements for operating exceed internationally accepted practice in this capacity," she said.


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