IDEA:

Individuals with Disabilities Education Act of 2004 (8-14-06 Regulations)
Assistance to States for the Education of Children With Disabilities and Preschool
Grants for Children With Disabilities; Final Rule (34 CFR Parts 300 and 301)

IDEA Amendments of 2008 (12-1-08 Regulations)
Assistance to States for the Education of Children With Disabilities and Preschool
Grants for Children With Disabilities; Final Rule (34 CFR Part 300)