On March 26, 2009, following comments by China proposing adoption of a global reserve currency, Bachmann introduced a resolution calling for a Constitutional amendment to bar the dollar from being replaced by a foreign currency. Current law prohibits foreign currency from being recognized in the U.S., but Bachmann expressed concerns relating to the president's power to make and interpret treaties. Earlier that month, at a Financial Services Committee hearing, Bachmann asked both Treasury Secretary Timothy Geithner and Federal Reserve Chairman Ben Bernanke whether they would reject calls for the U.S. to move away from the U.S. dollar and they replied that they would.