This technical assistance document is intended to offer Oregon districts and agencies guidance in understanding and implementing the regulations dealing with behavioral supports, interventions, and disciplinary actions for students with disabilities who are eligible under the Individuals with Disabilities Education Act. It is comprised of regulatory requirements, research based effective practice, and frequently asked questions and answers. Specific sections of the document address: (1) the need to provide positive, proactive behavioral supports to students in the educational setting and the hierarchy of behavioral support and intervention; (2) functional behavioral assessment (FBA) and strategies for conducting the FBA; (3) Behavioral Intervention Plans (BIPs), which describe positive behavioral interventions and strategies that address a student's social, emotional, and behavioral development, and steps and outcomes of a BIP; (4) discipline procedures and requirements for disciplinary removals that are not a change in placement; (5) disciplinary removals that are a change in placement; (6) manifestation determination; (7) weapons violations; (8) disciplinary removals to an Interim Alternative Educational Setting; (9) protection for children not yet eligible for special education and related services; and (10) reporting crimes. Appendices include Oregon administrative rules on discipline for student with disabilities under the IDEA. (Contains 10 resources.) (CR)