Are you certain about that because it's a big deal if so?
Financial transactions usually are designed to make someone responsible and to leave auditable trails.
But Trump is a master of evasion who makes a habit of avoiding responsibility, so I wonder if he signed the valuation and tax docs for the Trump org, or if he had a useful idiot do so.
Remember that it was his lawyer, Cohen, who went to jail over the Stormy thing, not Trump, even though Trump signed the cheques.