In one of her last acts as U.S. Treasury Secretary, Janet Yellen said her agency will start taking “extraordinary measures,” or special accounting maneuvers intended to prevent the nation from hitting the debt ceiling,

U.S. Treasury Secretary Janet Yellen is warning that the government will reach its debt limit on Tuesday and will need to take “extraordinary measures” to avoid risking a potentially catastrophic default.

Outgoing Treasury Secretary Janet Yellen said her department will start taking special accounting maneuvers as of Jan. 21 to avoid breaching the US debt limit, and urged lawmakers again to take steps to increase or suspend the statutory ceiling.