RULE 705. DISCLOSURE OF FACTS OR DATA UNDERLYING EXPERT OPINION
The expert may testify in terms of opinion or inference and give reasons therefor without first testifying to the underlying facts or data, unless the court requires otherwise. The expert may in any event be required to disclose the underlying facts or data on cross-examination.
Rule 705 was amended, effective March 1, 1990; March 1, 1997.
SOURCES: Minutes of Joint Procedure Committee: September 28-29, 1995, pages 18-19; March 24-25, 1988, page 12; December 3, 1987, pages 15-16; June 3, 1976, page 7. Rule 705, Federal Rules of Evidence; Rule 705, SBAND proposal.