"The emoluments clause, also called the foreign emoluments clause, is a provision of the U.S. Constitution (Article I, Section 9, Paragraph 8) that generally prohibits federal officeholders from receiving any gift, payment, or other thing of value from a foreign state or its rulers, officers, or representatives. The clause provides that:No Title of Nobility shall be granted by the United States: And 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.
Trump Will Host Next G7 Summit at His Doral Resort - The New York Times
The Constitution also contains a “domestic emoluments clause” (Article II, Section 1, Paragraph 7), which prohibits the president from receiving any “Emolument” from the federal government or the states beyond “a Compensation” for his “Services” as chief executive."
"WASHINGTON — President Trump has decided to host the Group of 7 meeting next June at the Trump National Doral near Miami, Mick Mulvaney, the president’s acting chief of staff, said Thursday, a decision that prompted immediate questions about whether it was a conflict of interest for him to choose one of his own properties for a diplomatic event."