The message reiterated an offer for a chance to take a second job or travel to a “dream destination” and remain on the federal payroll for months. But questions remain about whether that would be legal.

The Trump administration has urged government workers to quit their "lower productivity jobs" and seek work in the private sector, and to take a vacation to a "dream destination," sparking outrage among civil servants.

See agency by agency, the more than one million federal workers who could be affected.