Pyongyang is more than three months overdue in making a promised declaration of its nuclear assets and activities, including any nuclear help given to, or obtained from, other countries.

平壤承诺要申报它的核资产和核活动，包括给予别国帮助或者从别国获得帮助。但是平壤已经拖了3个多月还没有兑现承诺。

youdao

Pyongyang began destroying its main nuclear reactor and handed in its nuclear materials list last month, but there are suspicions the declaration is not accurate.

平壤上个月开始摧毁其主要的核反应堆，并交出核材料清单，不过人们怀疑公布的核材料并不准确。

youdao

But negotiations broke down last year over Pyongyang's refusal to accept a verification plan for the declaration it made of it nuclear holdings and activities.

VOA: standard.2009.11.11

Choi Jong-kun, an international relations professor at Seoul's Yonsei University, thinks the declaration that Pyongyang violated international law is mainly for the consumption of angry South Koreans.

VOA: standard.2009.09.11

But negotiations have been stalled for months over Pyongyang's refusal to accept a verification program for the declaration of its nuclear holdings and activities it made last June.

VOA: standard.2009.03.25

China Foreign Ministry spokesman Hong Lei said at a daily news briefing that China has "expressed our regret" over Pyongyang's declaration.

WSJ: North Korea to Restart Yongbyon Nuclear Plant

Ambassador Bolton dismissed North Korea's threats that U.N. sanctions would be a declaration of war, saying that the consensus opinion holds that Pyongyang has hurt its standing with its tests and its public statements.

NPR: U.S. Submits New U.N. Punishments for N. Korea