The law shields roughly 2 million federal workers from being fired without cause or due process, which supporters say insulates government work from political pressure.
A 1978 law that sets the rules for hiring, managing and firing most federal workers, and gives them a process to appeal if they're disciplined or removed.
Critics say the act's procedures can make it slow and costly to remove poor performers, with a 2015 GAO report citing timelines of six months to a year.
Agencies must give employees written notice of proposed discipline, a chance to respond, and a written decision, with appeal rights to the Merit Systems Protection Board.
Hiring and firing decisions must be based on merit and performance, not political affiliation, personal favoritism or other prohibited factors.
A look at the rules, history and trade-offs behind removing federal employees from their jobs.
Read the guide →A new executive order reviving debate over how readily the government can dismiss career federal workers.
Read the brief →