Lower-court judges have already blocked several Trump's policies including an asylum ban at the US-Mexico border.

If the new cities and counties are accepted into the lawsuit, there would be a total of 50 localities in 14 states: California, Connecticut, Colorado, Illinois, Maryland, Massachusetts, Minnesota, New Mexico, New York, Ohio, Oregon, Pennsylvania, Washington and Wisconsin.

OPM’s guidance offers some leeway to the Trump administration’s policy requiring most federal employees to work in the office full time.

Seven lawyers who spoke with Reuters cited a punishing workload and the need to defend policies that some felt were not legally justifiable among the key reasons for the wave of departures.

The Tuesday decision said that Trump's executive order directing agencies to develop workforce reduction plans is likely lawful.