The IARP Forensic Section provides a venue for rehabilitation professionals who provide Forensic Expert services in matters of litigation, such as worker's compensation, personal injury, product liability, medical/professional malpractice, catastrophic injury, and others.ualifications to testify in court as an expert in the field of vocational rehabilitation are fairly strict and related to State certification and licensure. Typically, a graduate degree in counseling or psychology plus certification/licensure will suffice.