https://www.reuters.com/article/us-usa-trump-ivanka-idUSKBN170327
“I have heard the concerns some have with my advising the president in my personal capacity while voluntarily complying with all ethics rules and I will instead serve as an unpaid employee in the White House office, subject to all of the same rules as other federal employees,” she said in a statement.
She couldn't claim that when she talked about government matters with her father that those were only "family business."