Earlier this month China’s Commerce Ministry issued a statement writing the most recent UN resolution into its national law, banning imports of some of North Korea’s most lucrative trades.

According to Beijing, North Korean coal and iron exporters now have to provide documentation to prove their shipments are for livelihood purposes. Should the income from the trade head into any of the North’s weapons programs, the shipments will be blocked.

“If it is confirmed by solid information that the imports are not for the people’s livelihood, or are related to the nuclear program or the ballistic missile program of the