Known as the emoluments clause, this provision was designed on the theory that a federal officeholder who receives something of value from a foreign power can be tempted to compromise what the constitution insists be his exclusive loyalty: the best interest of the United States.
It's called the Constitution of the United States, specifically, Article One, Section Six, also known as the emoluments clause.
There is also a provision of the Constitution known as the Emoluments Clause that bars presidents from accepting anything of value from foreign governments unless Congress allows it.
A part of the Constitution known as the Emoluments Clause bars presidents from getting anything of value from a foreign government unless Congress approves. .
Known as the "emoluments clause," the provision says "no person holding any Office of Profit or Trust under them, shall, without the Consent of the Congress, accept of any present, Emolument, Office or Title, of any kind whatever, from any King, Prince or foreign state".
Costs such as personnel emoluments in a trial setting are usually pegged at competitive market prices, but in a real setting, and under a government programme, these costs are substantially reduced as government workers are often paid a much lower rate.
A condo sale to a foreign dignitary could be seen as an emolument, especially if it were above the market rate.
No one, and certainly not John Adams, made a fortune serving the United States in the late 18th century: "All my emoluments as a member of Congress for four years," Adams observed in 1777, were "not... sufficient to pay a laboring man on a farm".
We can add that last one to Kleptocracy and Emoluments as big new words we now have to know thanks to Trump.
As for whether the Emoluments Clause can be adjudicated in any legal manner, the only recourse appears to be the extreme action of impeachment.
