[Non-Sequitur]

Appointments, executive orders and signed laws voided and Biden, as President of the Senate would be an shaky ground for succession. Succession would be decided in the House.

Section 1 of the 25th Amendment: "In case of the removal of the President from office or of his death or resignation, the Vice President shall become President."

Manner of succession has already been defined.

[BIGLOOK]

Thank you and it's clear in my copy of the US Constitution as well. But the question we must answer is "If Obama was ineligible to run for the office of POTUS, for whatever reasons, and was elected, what is his status?"

This isn't covered in the 25th Amendment of the Constitution.