China's top audit office on Monday revealed that it had about 24 million yuan ($3.89 million) of "problematic funds" while implementing the 2012 budget.

The National Audit Office published a review of 57 departments under the central government, including the office itself, concerning how they implemented their 2012 budgets.

The NAO found that it has about 4.47 million yuan of funds that have violated budget regulations, and has another 19.57 million yuan of problematic funds in other financial revenues and expenditures.