Form Interrogatories are a list of questions on a court form. It helps if you fill in the top part of the form with the case and court information.Prepare the Certificate of Service – A Certificate of Service is a document that confirms you served a certain document. The proof of service form should be completely filled out, but not signed. (a) Proportionate Assignment. You check 5b, you must fill out 7, 8, and 9 on page 2 of this form. Attorneys use this procedure to see what you will say now and try to use your statements against you at trial when you testify. An answer usually prevents motions to compel.