It appears he cannot do it this way. Watching for someone to post a loophole
It is easier to ask for forgiveness than permission, please keep that in mind.
This is new to me—to let us drill into the details together:
https://www.gao.gov/legal/federal-vacancies-reform-act
It sounds like President Trump can do it.
If he extends beyond the time limit GAO will generate a really mean letter.
Lol.