The 7th Amendment's purpose is to create rules for civil trials to ensure that a jury of peers decides civil cases. It protects the right for citizens to have a jury trial in federal courts with civil cases where the claim exceeds a certain dollar value.The Court ruled that the Seventh Amendment requires a jury to determine whether an entity is liable for civil penalties under the Clean Water Act. To reach the jury office in Buffalo, dial 716-551-1520. If your call is not answered, please leave a voice mail message. The functions of the Administrative Coordinating Part (Part 40 TR) are to send cases out for jury selection and to refer them to an available Part for trial. Further, all motions or petitioners for withdrawal shall be compliant with the appropriate and applicable Indiana. Rule(s) of Trial Procedure. Did you get a Summons to Jury Service in the Mail? Complete Questionnaire Online.