The IOC is scheduled to host South and North Korea to discuss the matter in Lausanne, Switzerland on Saturday of next week.
The Koreas' separation makes citizens of the North an object of some fascination for South Koreans.
Washington and Pyongyang are in a standoff over North Korea´s missile and nuclear programs, which could be used to target the United States and her allies.
The administration of U.S. President Donald Trump welcomed signs that China, North Korea's main economic partner, was "sharply reducing" trade with its neighbor.
"If the North and South abandon external forces and cooperate together, we will be able to fully solve all problems to match our people's needs and our joint prosperity", it said.
North Korea's refusal to expand the agenda of Tuesday's talks was intended to draw out the process "to avoid possible US military action", Go added.
In a story posted on the North Korea analysis website 38 North, Alexander Vorontsov, the head of the Institute of Oriental Studies of the Russia Academy of Sciences, conveyed the unstable North Korean atmosphere based on a trip to Pyongyang in mid-November that lasted several days and his conversations with foreign ministry officials there.
Sanders says members of a U.S. delegation that will attend the Winter Olympics will be announced soon.
"The South also delivered a document presenting its position regarding the North's participation in the Pyeongchang Olympics and matters on cultural events", the ministry added.
The IOC said the meeting will involve the PyeongChang Olympics organizing committee, leaders of the national Olympic bodies for the two Koreas and other high-ranking government officials.
Imports from North Korea slumped 81.6 percent year-on-year to $54.34 million, Chinese customs spokesman Huang Songping said in a briefing in Beijing on Friday.
North Korea ramped up missile launches last year and conducted its sixth and most powerful nuclear test, prompting a U.S. -led campaign to impose some of the strongest international sanctions yet, which Pyongyang dubbed an "act of war".
"This initial round of talks is for the improvement of relations between North and South Korea".
The Koreas fielded joint teams at the 1991 World Table Tennis Championships and the 1991 FIFA World Youth Championship.
The White House says North Korea's participation in the Winter Olympics won't affect U.S. participation in the Games.
China's exports to North Korea in December declined 23.4 percent from a year earlier to $260 million, Huang told reporters. He says, "anything that lowers tensions is a positive development".
"By doing that, he can help the U.S. build logic for moving toward negotiations", he said.
Bach is supposed to be joined by a delegation from the PyeongChang 2018 Organising Committee and delegations from the National Olympic Committees of both Koreas.
"It will only create divisions within the international community and harm joint efforts to appropriately resolve the Korean peninsula nuclear issue", he said.