How do I fill out the forms? Instructions for the Motion for Order Allowing Leave to Amend. Pleading.In Washington, a defendant must respond to a complaint within 20 days after being served with the summons and complaint (Wash. Super. Parties must reserve a time for each motion or cross-motion they want heard through the Family Law Motions Scheduling system on the family court website. FILLING OUT YOUR MOTION PACKET​​ ➢ Make sure to include your case number on all forms. ➢ Fill out ALL the document in the packet. The court will consider the motion without oral argument unless the court orders otherwise. And summaries subject to change without formal notice as needs arise. Please use the pattern forms found on the Washington Courts Forms website to make this motion. The below is a list of frequently inquired about General Rules.