[Sherman Logan]

I do believe there is a legal principle that means no such thing happens, but not being a lawyer I couldn’t tell you what it is.

Except that undoing all of his acts for six years is quite literally impossible.

[Natufian]

It’s called the ‘de facto officer’ doctrine.

[null and void]

Except that undoing all of his acts for six years is quite literally impossible.

Wrong.

Merely exceedingly difficult.

[DiogenesLamp]

I do believe there is a legal principle that means no such thing happens, but not being a lawyer I couldn’t tell you what it is.

http://definitions.uslegal.com/d/de-facto-officer/