For years, countries exporting fuel to North Korea have been required to report their numbers to the U.N. — an effort to ensure that they don’t go over a sanctions-violating cap and potentially supply the country’s nuclear program. But that task has been easier said than done: Until now, both China and Russia disagreed with some U.N. member states over the conversion rate measuring those fuel volumes.

Now, U.N. representatives from China and Russia have finally agreed to adhere to a ton-to-barrel conversion rate for petroleum fuel sent to North Korea. According to