President-elect Donald Trump has suggested he wants to use “recess appointments” to confirm his Cabinet nominees when he takes office, a process that could allow controversial picks like former Rep. Matt Gaetz, R-Fla., and Robert F. Kennedy Jr. to avoid a contentious Senate confirmation process—but may be hard to implement in practice.

The president-elect is calling on the Senate to step aside so he can install some appointees without confirmation. Here’s a closer look at that process.