The statement not only covers the North's participation in the Olympics, it also says that the two sides "agreed to collaborate in facilitating reconciliation and unity by easing military tensions, and to establish a peaceful environment", including by holding military talks.
Vice President Mike Pence and Karen Pence will lead the USA delegation to the 2018 Winter Olympics in South Korea.
Chang refused to confirm whether North Korea was keen on forming a joint team as proposed by the South during breakthrough talks last Tuesday.
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DACA protects hundreds of thousands of young undocumented immigrants brought to the United States as children from deportation. He tweeted , "The language used by me at the DACA meeting was tough but this was not the language used".
This offer comes on the heels of a landmark deal between the warring nations that allows North Korea to send a delegation of athletes, fans, and high-ranking government officials to the South for the upcoming Olympics in Pyeongchang.
Chang also told reporters at Beijing's worldwide airport that "the IOC is likely to consider" South Korea's proposal to form a joint women's ice hockey team and the size of North Korea's delegation to be sent to Pyeongchang will be decided by its national Olympic committee.
The women's ice hockey teams in the North and South aren't unfamiliar with each other.