Almost all of the 500 employees in the White House budget office have been told that they’ll have to take unpaid days off because of the across-the-board budget cuts that took effect March 1.

Furlough notices went out last week to 480 workers at the Office of Management and Budget, saying they are required to take 10 days off between April 21 and Sept. 7, or one day per pay period, according to an OMB official, who asked to remain anonymous because a public announcement hasn’t been made. The action was reported earlier by Politico.

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White House staff, including President Barack Obama’s advisers, also are subject to furloughs, though the administration hasn’t provided details.

“The White House and the components of the White House are affected by the sequester in a way that’s similar to other government agencies,” including pay cuts for staff members, spokesman Josh Earnest said at a March 8 briefing, declining to elaborate.

The administration is also reducing supply and equipment purchases, he said.