As used in this article:
(1) "System" means the South Carolina Head and Spinal Cord Injury Service Delivery System as established in this article;
(2) "State plan" means the plan developed by the Department of Behavioral Health and Developmental Disabilities pursuant to this article for a comprehensive system of services for persons with head and spinal cord injuries.
(3) "Office" means Office of Intellectual and Developmental Disabilities, a component office of the Department of Behavioral Health and Developmental Disabilities.