Washington (CNN) The Trump administration is planning to dismantle the Office of Personnel Management, a decades-old federal agency that oversees the federal government's civil service, The Washington Post reported Wednesday.

The paper said the agency "would be pulled apart and its functions divided among three other departments." Citing conversations with unnamed administration officials, the Post reported that an executive order "directing parts of the transition by the fall is in the final stages of review" and that President Donald Trump will "likely" make an announcement on the plan in the coming months.

According to the paper, the agency's 5,565 employees were briefed on the plan in March.

The Post said the White House "is short on details" of the plan, but noted that it plans to break apart the agency "in several stages, with some steps beginning now and other changes delayed pending congressional approval." It also said officials "were not able to estimate the short- or long-term savings" of the agency's closure. According to the paper, OPM's annual budget is $2.1 billion.

Judd Deere, a spokesman for the White House, told CNN Wednesday that Trump "is committed to reforming the federal government, making it more efficient, effective, and accountable for hardworking American taxpayers."

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