The main concept of UIFSA is one order to enforce.
How to identify the controlling order and continuing exclusive jurisdiction (CEJ) with charts
A brief overview of UIFSA
This article includes instructions for completing a Transmittal #3 Request for Assistance/Discovery form, which can also be sent as an acknowledgement of such a request.
This article includes links to various Federal websites that have different forms to download for child support use.
This article explains how to fill out a Transmittal #1 Initial Request form for intergovernmental cases.