Treasury Secretary Janet Yellen warned Congress that the U.S. government could hit its debt limit as early as January 14th, requiring “extraordinary measures” to avoid default. Yellen’s letter to House Speaker Mike Johnson urged action to maintain the country’s credit standing.

Treasury Secretary Janet Yellen says her agency will need to start taking “extraordinary measures,” or special accounting maneuvers intended to prevent the nation from hitting the debt ceiling, as early as January 14th,

The notification to Congress is the clearest sign yet that the fight to avoid default will likely take place in the early months of the new Trump administration.