Illinois Administrative Code
Title 89 - SOCIAL SERVICES
Part 270 - ADULT PROTECTION AND ADVOCACY SERVICES
Subpart E - ADULT PROTECTIVE SERVICE REGISTRY
Section 270.448 - Expert Testimony

Universal Citation: 89 IL Admin Code ยง 270.448

Current through Register Vol. 48, No. 12, March 22, 2024

a) If scientific, technical, or other specialized knowledge will assist the ALJ to understand the evidence or to determine a fact in issue, a witness qualified as an expert by knowledge, skill, experience, training or education may testify and render an opinion.

b) The party seeking to introduce expert testimony bears the burden of establishing the witness' expertise. The ALJ determines whether the witness is sufficiently qualified as an expert.

c) The expert may only testify as to matters within his or her area of expertise.

d) An expert may give an opinion on the ultimate issue in the proceeding.

e) The facts or data upon which an expert bases an opinion may be those perceived by or made known to the expert at or before the hearing. The facts or data need not be admissible in evidence if they are of a type reasonably relied upon by experts in the particular field in forming opinions upon the subject.

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