Trump on Wednesday urged US lawmakers to reject a bill to temporarily fund the government and, three days before the funding expires, asked Congress to raise the debt ceiling, raising the possibility of a partial shutdown.

Trump and Vice President-elect J.D. Vance have urged lawmakers to pass a different temporary spending bill than the one they introduced Tuesday, without what they called “Democratic giveaways.” Trump has also urged lawmakers to use the bill to address the national debt ceiling.

That could complicate efforts to avert a shutdown that would disrupt everything from air travel to law enforcement in the days leading up to the Christmas holiday on Dec. 25. It would be the first government shutdown since the one that lasted from December 2018 to 2019, during Trump’s first four-year term in the White House.

Democrats currently control the Senate, and Democratic President Joe Biden will remain in office until Trump takes office on Jan. 20.

The current bill would fund government agencies at current levels and provide $100 billion in disaster relief and $10 billion in farm aid. It also includes a wide range of provisions such as raising lawmakers’ salaries and cracking down on hidden hotel fees.

Trump and Vance said Congress should limit the bill to temporary spending and disaster relief and raise the national debt ceiling.

A bipartisan agreement would be needed to pass any spending bill through the House of Representatives, where Republicans have a narrow majority, and the Senate.

The stopgap measure is needed because Congress has failed to pass regular spending legislation for the fiscal year that began on Oct. 1. It does not cover benefit programs such as Social Security, which are automatically extended.

The U.S. government has spent more money than it has taken in in more than 20 years, as Democrats expanded health care programs and Republicans cut taxes, and an aging population is projected to increase the cost of pension and health care programs in the coming years. The ever-growing debt will force lawmakers to raise the debt ceiling at some point, either now or when the borrowing authority expires next year. Failure to act could shock bond markets with potentially serious economic consequences.

The work of various government departments, including agencies like the Pentagon and NASA that work with Musk’s companies, will be hampered if Congress does not act before Saturday.