Treasury Secretary Janet Yellen, in a letter on Friday to congressional leaders, said the Treasury would begin using extraordinary measures Jan. 21.

In one of her last acts as Treasury Secretary, Janet Yellen says 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 said that the government will reach its statutory borrowing limit on Tuesday and begin employing "extraordinary measures" to keep from breaching the cap and risking a potential catastrophic default.

Treasury secretary Janet Yellen, in one of her final major acts in office, warned Congress late Friday that the Treasury will need to begin "extraordinary measures" on Tuesday to avoid hitting the debt limit.

The breach of the debt ceiling officially starts the clock on how long Trump and Congress will have to act to avoid a financially catastrophic default.

WASHINGTON—The U.S. government is now constrained by its statutory debt limit, the Treasury Department said, prompting the start of “extraordinary measures” this Tuesday to keep America’s bills paid and putting pressure on Congress to lift the borrowing cap.

The US Treasury Department will start taking "extraordinary measures" next week to avoid risking a default on government debt, Secretary Janet Yellen said Friday, days before President-elect Donald Tr