The IRS will lay off thousands of probationary workers in the middle of tax season, according to two sources familiar with the agency’s plans, and cuts could come as soon as next week.

The move that could squeeze resources at the tax-collecting agency during the critical tax-filing season, two people familiar with the matter said.

Some 2,300 people have been laid off at the U.S. Interior Department as part of the Trump administration's sweeping government job cuts, according to three sources familiar with the matter. The Interior Department manages around 500 million acres of U.