Lawmakers noted their letter comes as “recent IRS staffing challenges caused by the Trump Administration” have complicated the processing of outstanding tax refunds.

A Supreme Court decision giving the Trump administration the greenlight to lay off tens of thousands of employees threatens to reshape the federal workforce amid a broader battle over whether the president has the power to do so.

The Supreme Court on Tuesday lifted a lower court order that blocked sweeping layoffs of federal workers at nearly two dozen agencies while a legal battle over President Trump's plans to drastically cut the size of the government moves forward.

Before Tuesday, a district court had barred the Trump administration from firing federal employees en masse as his executive order calling for “large-scale reductions in force” undergoes legal challenges.

The high court said it had based its decision on the legality of Trump’s executive order, and didn’t rule on whether any reorganization plans broke the law.

After Supreme Court Justice Jackson issued a solo dissent against President Trump’s federal layoff plan, Jonathan Turley criticized her decision as 'judicial abandon.'

The U.S. Supreme Court on Tuesday cleared the way for Donald Trump's administration to pursue mass government job cuts and the sweeping downsizing of numerous agencies, a decision that could lead to tens of thousands of layoffs while dramatically reshaping the federal bureaucracy.

U.S. diplomats in Washington are bracing for cuts to the State Department workforce, with dismissal notices expected to hit inboxes as soon as Friday, according to three State Department officials with knowledge of the plans.