Or nothing. Literally! No GOP representative will dare go against the Trump, or else they will be primaryied. The law only applies if there are consequences, and in this case there aren't consequences. If you don't realize this is how US operates, you are living in some la-la land like the democrats that insist on decorum, norms and such other BS.
Or what?
(I'm not being flippant. Are there consequences I'm not aware of if he decides not to enforce?)