Billionaire Elon Musk may have a novel role within the Trump administration, but the title that allows him to serve in the government has drawn the ire of ethics watchdogs for decades. Musk’s status as a special government employee protects him from typical ethics disclosures,

Ethics laws make it a federal criminal offense to take actions that benefit family businesses — even for so-called special government employees, unless a waiver is issued.

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.