All California courts use the same basic set of forms for divorce. You can find the most commonly-used forms on this page.INSTRUCTIONS: For Marriage Verification, complete SECTION A, for Divorce Verification, complete SECTION B. Please return this form in the enclosed. There are two forms that you must complete to initiate any California divorce. These are referred to as the petition and summons. Find Your Court Forms. This proof, which is in the form of an affidavit, will show that the defendant was properly served. The court website contains fill-in forms for this purpose. Today we are learning on how to file California Divorce Forms (2015). Starting with the FL-100 form.