President Moon Jae-in speaks during a meeting with party leaders at Cheong Wa Dae in Seoul, May 26. Yonhap

President Moon Jae-in said Wednesday the Joe Biden administration has made a de facto offer to North Korea for the resumption of talks with the appointment of a special envoy.

Moon also stressed that South Korea and the United States have formed a "firm consensus" on the need to advance the Korea peace process.

He called it one of the most important accomplishments in his White House summit with Biden last week, speaking to the leaders of South Korea's five major political parties.

In an announcement, timed with Moon's visit to the U.S., Biden unveiled the choice of Sung Kim, ambassador to Indonesia, as special envoy to North Korea.

The move is "making a request for North Korea to resume dialogue," Moon said during the luncheon meeting at Cheong Wa Dae meant for a briefing on the results of his summit with Biden.

The president took note of his joint statement with Biden, in which they agreed that both the 2018 inter-Korean summit accord, signed at Panmunjom, and the Washington-Pyongyang summit agreement in Singapore are "essential" for the denuclearization and establishment of permanent peace on the peninsula.

It lays the groundwork for the resumption of talks involving North Korea and the "peace clock" to move again on the basis of existing agreements, he added.

Moon also cited the summit deal to terminate the allies' "missile guidelines," describing it as a demonstration of "the robustness of the alliance." Four-decade-long restrictions on the range of South Korea's missiles have been scrapped with the accord, which should spur the nation's space program.