Officials from South Korea, Japan and China will meet in Beijing Saturday for consultation on a joint declaration that the three countries will issue after a summit of their leaders next week.

President Roh Moo-hyun, Japanese Prime Minister Junichiro Koizumi and Chinese Premier Wen Jiabao will hold a meeting in Indonesia Tuesday on the sidelines of the annual "ASEAN Plus Three" forum.

The forum brings together the 10 nations of the Association of Southeast Asian Nations (ASEAN) plus South Korea, Japan and China.

A foreign ministry official said after Tuesday's meeting, the Korean, Chinese and Japanese leaders will adopt a joint declaration stressing the need for enhancing cooperation among the three countries.

The official added that the declaration will also touch upon the North Korean nuclear issue, reiterating the principle that the standoff must be resolved peacefully.

Attending this week's working-level consultation in Beijing will be Chung Sang-ki, director-general in charge of Asia-Pacific affairs at the Korean Foreign Ministry and his Japanese and Chinese counterparts Mitoji Yabunaka and Fu Ying.