District of Columbia Supersedes Undertaking On Appeal is a legal document filed in the District of Columbia Court of Appeals. It is an undertaking by an appellant to post a bond in the event that an appeal is successful, but damages are awarded to the prevailing party. The purpose of the bond is to ensure that the appellant pays the damages if the appeal fails. The bond is usually set at the amount of the award or judgment. There are two types of District of Columbia Supersedes Undertakings on Appeal. The first type is a voluntary undertaking, which is a pre-determined agreement between the appellant and the appealed that if the appellant is successful on appeal, but the appealed is awarded damages, the appellant will post a bond in the amount of the award or judgment. The second type is an ex parte undertaking, which is a bond that the appellant must post if the court orders it without prior agreement from the appealed.