Washington Request to Register Out-of-State Custody Order is a document that is used to register a custody order from another jurisdiction in the state of Washington. This document is used when a person has a custody order from another jurisdiction that needs to be enforced in Washington. The document must be certified by the court where the custody order originated and filed with the Washington court that has jurisdiction over the case. There are two types of Washington Request to Register Out-of-State Custody Order: Motion to Register Out-of-State Custody Order and Request to Register Out-of-State Custody Order. The Motion to Register Out-of-State Custody Order is used when the person filing the document is asking for the court to register the out-of-state custody order. The Request to Register Out-of-State Custody Order is used when the person filing the document is asking for the court to register the out-of-state custody order and to modify the existing order.