The court upheld a judge's ruling that the Trumps' fear that their depositions might end up being used in a parallel criminal investigation did not shield them from subpoenas.
In a trio of affidavits, Trump and his attorneys insisted his legal team has searched for documents in response to the New York attorney general's wide-ranging civil fraud investigation.
The judge ordered the Trumps to appear for depositions within 21 days; their attorneys indicated they'll appeal.
The fraud investigation is examining if Trump's real estate company artificially inflated or deflated the values of its properties for tax advantages.
Another son, Eric Trump, was deposed for the financial fraud investigation in October 2020.
Former U.S. President Donald Trump on Monday sued New York Attorney General Letitia James, seeking to stop her civil fraud investigation into his company.
Letitia James asks former US president to come to her office for deposition as part of ongoing civil fraud investigation into his business
