Contains information about Part C program administration, including funding and contacts at the federal and state level. Also contains information on: states' Part C rules, regulations and policies; OSEP policy letters; referral to Part C of vulnerable/maltreated young children; personnel competence and qualifications; services for very young children with autism; and early identification of infants and toddlers eligible for early intervention. The volume concludes with data tables for Part C: child count, settings, exiting, services, and personnel; and the full text of Part C of the Individuals with Disabilities Education Improvement Act of 2004.