Justices on both sides of the ideological spectrum pressed a lawyer representing taxpayers who are seeking to throw out a repatriation tax on certain overseas earnings.

Their eventual decision in the case could severely limit congressional options in enacting tax policy, and it could cost the federal government trillions of dollars in corporate taxes.

A majority of the Supreme Court on Tuesday seemed inclined to narrowly uphold a provision of President Donald Trump's 2017 tax package, an outcome that many experts said would avoid

The case before the justices Tuesday could have sweeping implications for the U.S. tax system and derail proposals from some Democrats to create a wealth tax.

The court needed to speak clearly against taxing unrealized income in order to preempt court clashes on wealth taxes in the future, they said in court papers. Wealth tax proposals didn’t come up during oral arguments, but they hovered in the background.

The justices looked for an even keeled ruling in a case that has the potential to leave the government out trillions in tax revenue.

The Supreme Court is taking up a case over a Washington couple’s $15,000 tax bill that is widely seen as a test of a never-enacted tax on wealth

The Justices can block an unconstitutional tax on appreciated assets in Moore v. U.S.