[Cboldt]

There is also that constitutional "shall, at stated Times, receive for their Services a Compensation which shall not be diminished during their Continuance in Office." CJ receives a greater salary than Associates. Complicated mix of consitutional decree and Congressional power. I can;t imagine the Senate would accept a radical precedent for Trump. They would for a DEM.

[Svartalfiar]

There is also that constitutional "shall, at stated Times, receive for their Services a Compensation which shall not be diminished during their Continuance in Office."

Except it's not the same Office. He certainly could be 'diminished in pay' if he was demoted to a different job. He ceases his continuance in the one office, and immediately begins a term in another Office.