The U.S. Tax Court is feeling the impact of the federal government shutdown: it will be closed until further notice.

The court was shuttered on Dec. 28, 2018, according to its website. The partial government shutdown began on Dec. 22, 2018, when Congress failed to reach an agreement with President Donald Trump over $5 billion in funding for Trump’s U.S.-Mexico border wall.

A prolonged shutdown could mean delays in litigation and resolutions for taxpayers, practitioners told Bloomberg Tax.

“It’s just more examples of unintended disruptions,” Joseph Bishop-Henchman, executive vice president of the Washington-based Tax Foundation, told Bloomberg...