There's this for presidential authority: https://www.law.cornell.edu/uscode/text/50/1702 https://www.law.cornell.edu/uscode/text/50/1702 I do not know on what

There's this for presidential authority: https://www.law.cornell.edu/uscode/text/50/1702 https://www.law.cornell.edu/uscode/text/50/1702 I do not know on what basis they could therefore demand any payments, though.