ISP Forms Download the latest versions of each provided ISP form. Training schedule Check out our upcoming classroom trainings and webinars. Ask a question Subscribe to the ISP Pipeline newsletter The Oregon ISP process is used to support planning with people who experience intellectual and/or developmental disabilities. It is required for use when the person chooses any Medicaid-funded services. OTAC, a program of The Arc Oregon, provides support for the Oregon ISP process, including this website, with funding provided through Oregon’s Office of Developmental Disabilities Services (ODDS).