North Dakota Century Code Title 12.1. Criminal Code § 12.1-04.1-01. Standard for lack of criminal responsibility

1. An individual is not criminally responsible for criminal conduct if, as a result of mental disease or defect existing at the time the conduct occurs:

2. For purposes of this chapter, repeated criminal or similar antisocial conduct, or impairment of mental condition caused primarily by voluntary use of alcoholic beverages or controlled substances immediately before or contemporaneously with the alleged offense, does not constitute in itself mental illness or defect at the time of the alleged offense. Evidence of the conduct or impairment may be probative in conjunction with other evidence to establish mental illness or defect.