Wyoming EC VSP 3. Establishment of Custody, Visitation, and Child Support Information and Instructions is a court form used in Wyoming to establish child custody, visitation, and child support orders. It is a two-page form that must be completed and signed by both parties (or their attorneys) and filed with the court. The form includes instructions on how to properly fill out the form, including instructions on how to calculate the appropriate amount of child support. There are two types of Wyoming EC VSP 3. Establishment of Custody, Visitation, and Child Support Information and Instructions: the original form and the amended form. The original form is used to establish a child custody, visitation, and child support order. The amended form is used to modify an existing order.