Trump has classified Musk in a category of temporary federal worker that is required to fill out the same ethics form as Cabinet officials, according to ethics law experts who spo

The billionaire is wielding immense authority over federal agencies, but unlike cabinet members, doesn’t have to publicly disclose his investments or potential conflicts.

Elon Musk is testing the limits of legal and ethical restrictions on the role of special advisers in U.S. presidential administrations, according to some legal experts and lawmakers who oppose the billionaire's mission against what he deems wasteful government spending.