Chief nuclear negotiators from South Korea, the US and Japan are scheduled to meet in Seoul next Tuesday. 
South Korea's Foreign Ministry said that they will talk about boosting cooperation on North Korea, including preparing for possible provocations by the North during the US change of administrations, according to Korea's (KBS WORLD) radio. 
They also plan to discuss implementing new UN Security Council sanctions as well as their countries' own sanctions against the North.

Source: QNA