"Virginia man filed an IRS complaint on Tuesday accusing a left-leaning national security non-profit of violating tax law by failing to disclose a business relationship between two of its board members—Hunter Biden and Sally Painter—and Burisma Holdings."

https://theminnesotasun.com/2020/10/28/hunter-biden-and-lobbyist-named-in-irs-complaint-against-national-security-non-profit-where-they-both-served-on-board/