Pre-transition support services in the Self-Determination Program (SDP) are the help you get before you start the program, so you can be ready. They help you learn how SDP works, make a plan, choose who will help you, and get things set up before your budgeted services begin. PNC Services We Offer with Pre-Transition Supports: Communicate with the regional center and other entities for you and your family throughout the process. Ensure clarity throughout the process. Offer tal