An Individual Service Plan (ISP) lays the groundwork for caring for an individual with a developmental disability, such as autism. It is completed during the intake process to provide mental health services providers with a set of best practices centered around an individual’s (Person-Centered Planning) level of ability or functionality, as well as personal preferences, wants, and needs. The Pennsylvania Department of Human Services Individual Support Plan form clocks in at 34 pages. Here we break down each of the main sections of an individual service plan and what they are trying to accomplish.