N.D. Cent. Code § 12.1-04.1-12

Use at trial of a report prepared by a tier 1a mental health professional or other expert is governed by the North Dakota Rules of Evidence. A report of a tier 1a mental health professional or other expert furnished by the defendant pursuant to section 12.1-04.1-10 may not be used at trial unless the tier 1a mental health professional or other expert who prepared the report has been called to testify by the defendant.