You must use letter-sized (8½ x 11 inches) white paper. You must write or type on only one side of the page.Welcome to Washington State Courts. Fill out legal documents online for free. It's simple: we ask you questions and use your answers to complete the documents you need. Select, complete, and sign the appropriate form from among the following three alternative Petition for Letters forms, depending on: If Decedent left a Will:. Follow this checklist to make sure you have everything you need to submit a complete application for admission. Make sure you also know what's not considered. Keep in mind that if you submit even one critical comment, your Component must automatically nonconcur with the issuance. All you have to do is start.