Donald Trump has so far been unable to obtain a bond that would allow him to appeal a $454 million judgment against him in a New York civil fraud case without posting the full amount himself, his lawyers said on Monday.

Trump must either find the cash or post a bond to prevent the state’s authorities from seizing his properties while he appeals Justice Arthur Engoron’s Feb. 16 decision ordering him and co-defendants to pay $464 million in penalties and interest for misstating property values to dupe lenders and insurers.

In a court filing on Monday, his lawyers urged a mid-level state appeals court to delay enforcement of the judgment, arguing the amount was excessive.