President-elect Trump’s sprawling business empire has presented an unprecedented set of ethical challenges to the lawyers who are working to insulate his administration from potential conflicts of interest, and who are being closely watched by Trump’s political opponents.

Critics are already sounding the alarm over Trump’s continued involvement in the business he spent four decades building. His aides have given no indication that the president-elect has recused himself from the Trump Organization, though he won’t have an obligation to do so until he’s sworn in on Jan. 20.