On March 5, 2018, South Korea's special delegation agreed to hold the third inter-Korean summit at Inter-Korean Peace House in Panmunjom on April 27, 2018.
On March 6, after returning to South Korea, the national security adviser, Chung Eui-yong, and National Information Director Suh Hoon traveled to the United States on March 8 to report to Trump about the upcoming inter-Korean summit and relayed to President Trump the North Korean chairman Kim Jong-un's invitation.
Trump endorsed the North Korea–United States summit about an hour after receiving the report.
The South Korean National Security Adviser (SKNS), Mr. Jeong briefed the public that the North Korea–United States summit would be held sometime in May 2018.

The White House announced that the UN Sanctions would remain in place until an agreement between the United States and North Korea is reached.
 On March 6, Sarah Sanders said that the White House would need to see "concrete and verifiable steps" toward the denuclearization of North Korea before Trump would meet with Kim Jong-un.
Later that day, an unidentified Trump official told The Wall Street Journal that Trump had still accepted Kim Jong-un's invitation.

South Korea's national security adviser Chung Eui-yong visited China on March 12 to meet with the Chinese leader, Xi Jinping, of the foreign officials and report on the planned inter-Korean summit as well as the North Korea-United States summit and asked their advice.
Russia on March 14, 2018, for explaining North Korea and the United States Visit Summary, seeking guidance for upcoming 2018 inter-Korean summit.
National Information Director Suh Hoon visited Japan and had a consultation with Prime Minister Shinzō Abe including the foreign officials about the denuclearization and Permanent Peace on the Korean Peninsula.
On March 5, 2018, South Korea's special delegation agreed to hold the third inter-Korean summit at Inter-Korean Peace House in Panmunjom on April 27, 2018. On March 6, after returning to South Korea, the national security adviser, Chung Eui-yong, and National Information Director Suh Hoon traveled to the United States on March 8 to report to Trump about the upcoming inter-Korean summit and relayed to President Trump the North Korean chairman Kim Jong-un's invitation. Trump endorsed the North Korea–United States summit about an hour after receiving the report. The South Korean National Security Adviser (SKNS), Mr. Jeong briefed the public that the North Korea–United States summit would be held sometime in May 2018.
The White House announced that the UN Sanctions would remain in place until an agreement between the United States and North Korea is reached.  On March 6, Sarah Sanders said that the White House would need to see "concrete and verifiable steps" toward the denuclearization of North Korea before Trump would meet with Kim Jong-un. Later that day, an unidentified Trump official told The Wall Street Journal that Trump had still accepted Kim Jong-un's invitation.
South Korea's national security adviser Chung Eui-yong visited China on March 12 to meet with the Chinese leader, Xi Jinping, of the foreign officials and report on the planned inter-Korean summit as well as the North Korea-United States summit and asked their advice. Russia on March 14, 2018, for explaining North Korea and the United States Visit Summary, seeking guidance for upcoming 2018 inter-Korean summit. National Information Director Suh Hoon visited Japan and had a consultation with Prime Minister Shinzō Abe including the foreign officials about the denuclearization and Permanent Peace on the Korean Peninsula.
2018 North Korea–United States Singapore Summit