The Department of Housing and Urban Development is the latest federal agency to reduce the number of furlough days.
Customs and Border Protection (CBP) has delayed implementation of plans to furlough its employees and cut their overtime, according to an agency memo to CBP employees.
The Maryland Democrat has refused to elaborate since announcing on Tuesday that he told his employees they would be furloughed.
The agency plans to furlough all employees for up to 14 days, according to internal communications.
The Obama administration is warning federal workers they might be placed on temporary unpaid leave if the across-the-board budget cuts known as sequestration are implemented.