An alphabeticalbytopic list is provided below containing information and downloadable PDF forms, when available, or links to external resources. Print and fill out the appropriate form.You may mail the form or bring it in person to the Justice Court, Precinct 4. I am certified under order of Texas Supreme Court to serve process, including citations in Texas. I am not a party to or interested in the outcome of this suit. This form is filed with the Court after the service is done. This form is called an Affidavit of Service. This guide includes forms and instructions for a letter and affidavit to request that the court register an outofstate custody order in Texas. Service is "the formal delivery of a writ, summons, or other legal process or notice" according to Black's Law Dictionary.