Negotiators have failed to agree targets to reduce global economic imbalances on the first day of the two-day G20 meeting in Paris.
The countries want to better coordinate economic policies to avoid a repeat of the 2008 global financial crisis.
Most back a list of five targets, but China is said to oppose exchange rate and currency reserve criteria.
Beijing has been accused of buying up dollars in order to keep the yuan cheap and gain an unfair trade advantage.
Read more here: BBC News – G20 fail to agree targets for economic imbalances.