In addition to the emoluments related legal action, there is also the issue of Trump not paying construction bills on this hotel.  There are three liens placed on the hotel by unpaid and unhappy companies.  https://www.washingtonpost.com/news/digger/wp/2017/01/06/third-lien-on-trump-hotel-brings-alleged-unpaid-bills-to-over-5-million/?utm_term=.4f9af86a8b98